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Gabriel Arregui   Harpsichord, Organ

Gabriel ArreguiGabriel Arregui holds degrees from the University of Southern California (Collaborative Piano) and Loma Linda University (Organ Performance). His professors have included Gwendolyn Koldofsky, Brooks Smith, and Jean Barr (Collaborative and Solo Piano), Anita Norskov Olson (Solo Piano), Malcolm Hamilton (Harpsichord), and Donald J. Vaughn and Thomas Harmon (Organ). While at USC, he won the Hans Schiff Memorial Scholarship for excellence in chamber music, as well as the award for outstanding graduate from the Accompanying Department.

Arregui has appeared in recital with sopranos Julianne Baird and Rosa Lamoreaux, has taught 18th-century counterpoint at La Sierra University, and has performed for Queen Elizabeth II. He recently performed in the orchestra for the San Diego Opera production of John Adams’s Nixon in China. He currently serves as an organist and choirmaster at St. Paul’s Episcopal Cathedral in San Diego, where the magnificent organ provides him many opportunities to practice his latest passion: improvisation. He has been with our Festival since 1994, performing at one time or another in each of the five concerts.

Graham BierGraham Bier   Bass

Graham Bier keeps busy as a conductor and singer, serving as director of music at Bryn Athyn Cathedral, music director of the Reading Choral Society, and an adjunct lecturer at Bryn Athyn College, as well as co-director and singer with Les Canards Chantants. He holds a bachelor’s degree in music from Oberlin College, and a master’s degree in Vocal Studies and a PhD in Musicology from the University of York in the U.K.

Bier has sung with many ensembles, including the specialist early-music groups I Fagiolini and Stile Antico, and has performed as a soloist with Choral Arts Philadelphia, Big Apple Baroque, and the Yorkshire Baroque Soloists. Recently he performed the roles of Gelone in Cesti’s L’Orontea with the Haymarket Opera Company’s Summer Program, the Cold Genius in Purcell’s King Arthur at the Amherst Early Music Festival, and the title role in Michael Haydn’s Der Bassgeiger zu WŲrgel with Philadelphia’s Night Music.

Robin BierRobin Bier   Alto

Robin Bier, who has been praised for her “robust, shapely contralto” (San Francisco Chronicle), “silky lyricism” (The York Press) and “mysterious dark hue and sauntering presence” (San Francisco Classical Voice), has appeared as a soloist with the Bourbon Baroque, American Bach Soloists, Bach Festival of Philadelphia, Dartington Festival Orchestra, English Symphony Orchestra, Baroque Collective, and the Yorkshire Baroque Soloists. As a chorister she has worked with such ensembles as Apollo’s Fire, Voices of Ascension and The Thirteen, and she co-directs the early music ensemble Les Canards Chantants.

Bier has recorded Striggio’s Mass in 40 Parts with I Fagiolini for the Decca label, Bach’s St. John Passion with the Yorkshire Baroque Soloists for Signum Classics, and the second book of madrigals by Giovanni Valentini with Les Canards Chantants and Acronym for Olde Focus Recordings. She holds degrees from the Oberlin Conservatory of Music and the University of York in the U.K., and is a student of Christian Immler.

Elizabeth Blumenstock   Violin, Director

Elizabeth BlumenstockElizabeth Blumenstock is a longtime concertmaster, soloist and leader with the Bay Area’s Philharmonia Baroque Orchestra and American Bach Soloists; concertmaster of the International Handel Festival in Goettingen, Germany; and artistic director of the Baroque Music Festival, Corona del Mar. She is widely admired as a Baroque violinist of expressive eloquence and technical sparkle whose performances have been called “rapturous” and “riveting.” She studied viola at the University of California, Berkeley, and the Royal Conservatory of Music in The Hague, and switched to the Baroque violin in the early ’80s.

Blumenstock’s love of chamber music has involved her in several accomplished and interesting smaller ensembles, including Musica Pacifica, the Galax Quartet, Ensemble Mirable, Live Oak Baroque, the Arcadian Academy, Trio Galanterie, and Voices of Music. She has performed at the Boston and Berkeley Early Music Festivals, the Carmel Bach Festival, the Oulunsalo Soi festival in Finland, and the San Luis Obispo Mozart Festival, among many others. She has recorded over 100 CDs for Harmonia Mundi, Dorian/Sono Luminus, Virgin Veritas, Koch, Naxos, Reference Recordings and others.

An enthusiastic teacher, Blumenstock conducts classes at the San Francisco Conservatory of Music, and teaches at the American Bach Soloists’ summer Festival and Academy, at the International Baroque Institute at Longy, and at the Valley of the Moon Music Festival in Sonoma, California. She began teaching Historical Performance at Juilliard in 2016. She plays a violin built by Andrea Guarneri in 1660, in Cremona, which is on generous loan to her from the Philharmonia Baroque Period Instrument Trust.

Rob DigginsRob Diggins   Violin, Viola

Rob Diggins is a principal player with the Portland Baroque Orchestra and Music Angelica. He performs regularly with the jazz trio RLA; Wiener Akademie, directed by Martin Haselböck; and Magnificat San Francisco, directed by Warren Stewart. He was a featured artist on the recently released folk album Roses in the Snow and Drought and performed on Joanne Rand’s Southern Girl. His many recordings include solo work on a recent Portland Baroque Orchestra recording of the complete string concerti of J.S. Bach, and he was featured as viola soloist in the 2013 film Giacomo Variations starring John Malkovich.

In addition to his performance schedule, Diggins maintains a flourishing private teaching studio. He is a Bhaktin (devotional musician) and a Samayacharin guided by the Himalayan yoga tradition Parampara. Last November he completed his 500-hour, Level 2 certification in the practice of yoga philosophy in Rishikesh, India. When not on the road, he enjoys attending to various sustainable gardening and community projects in Northern California.

Jonathan DimmockJonathan Dimmock   Organ

Jonathan Dimmock, a graduate of Oberlin and Yale and co-founder of the highly acclaimed American Bach Soloists, is the only American to have served as Organ Scholar of Westminster Abbey. He has also served in three American cathedrals: St. John the Divine in New York, St. Mark’s in Minneapolis, and Grace in San Francisco. Now based in the Bay Area, he is principal organist at the California Palace of the Legion of Honor, organist for the San Francisco Symphony, director of music at Congregation Sherith Israel, and a regular freelance performer. He is one of the few organists in the world to have performed in concert tours on six continents.

Dimmock may be heard on more than fifty CDs, including the Grammy-winning San Francisco Symphony recording of Mahler’s Symphony No. 8. He is founder of the Resonance Project, an initiative that uses music in international conflict resolution. He is a certified teacher of Meditation in Daily Stress and is deeply committed to healing our world through the beauty of music.

Jolianne von EinemJolianne von Einem   Violin

Jolianne von Einem performs with Philharmonia Baroque Orchestra, Portland Baroque Orchestra, Archetti Strings, Musica Angelica, Les Conversations Gallants, and Magnificat. She has toured South America, Mexico, US and Canada with John Malkovich, the Weiner Akademie and Musica Angelica in The Infernal Comedy and Giacomo Variations. She recorded the double violin concerto of J.S. Bach in a 2015 release by the Portland Baroque Orchestra.

With degrees from UCLA and USC, von Einem studied violin with Alex Treger and Alice Schoenfeld, and Baroque violin with Monica Huggett. She toured and recorded in Europe with Hausmusik and Huggett’s Trio Sonnerie, and in Japan with the Amsterdam Baroque Orchestra, recording and filming half of Mozart’s symphonies under Ton Koopman. Among her many other recordings are the acclaimed CD of Mendelssohn’s Octet with Hausmusik on EMI; Early Music of the Netherlands 1700-1800 with Trio Sonnerie on Emergo; and Eighteenth-Century Music for Lute and Strings with Trio Galanterie on Audioquest.

Michael KaufmanMichael Kaufman   Violoncello

Michael Kaufman was the cello soloist for the opening of the renovated Kodak Hall at Eastman Theater and has performed at Carnegie Hall. He has participated in several chamber music festivals including Open Chamber Music at Prussia Cove, Yellow Barn, Music@Menlo, and Verbier. Last season, he performed the Saint-SaŽns Concerto with the Saddleback Symphony and premiered a concerto by USC faculty composer Sean Friar with the Eastman Wind Ensemble.

Kaufman earned his master’s and doctoral degrees from the University of Southern California and his bachelor’s from the Eastman School of Music. He is a founding member of the cello quintet Sakura, artistic director of the Los Angeles-based Sunset ChamberFest, and associate principal cellist of the Redlands Symphony. He teaches on the faculty of Loyola Marymount University. His principal teachers have been Ralph Kirshbaum, Steven Doane and Alison Wells; he has also received valuable guidance from Steven Isserlis, Robert Levin, Thomas Adès and David Geringas.

Amanda KeenanAmanda Keenan   Soprano

Amanda Keenan received her music degree from California State University, Fullerton. A native of Southern California who began her career in Los Angeles, she has performed on both opera and symphony stages. Notable solo engagements have included Orff’s Carmina Burana, Mozart’s Requiem, Mahler’s Symphony No. 2 and C.P.E. Bach’s Magnificat. She captivated San Francisco audiences in the American Bach Soloists presentations of Bach’s Mass in B Minor and Purcell’s King Arthur. In February she made her Pacific Symphony debut as Adele in Strauss’s Die Fledermaus. She is excited to be joining the Baroque Music Festival, Corona Del Mar this season as Dorinda in our Festival Finale production of Handel’s Orlando.

Keenan is also well versed on the jazz stage, regularly performing with her jazz band, Citizen Kitten. You may even see paintings of her hanging around various galleries in Los Angeles, as she is active as a professional art model.

Jon Lee KeenanJon Lee Keenan   Tenor

Jon Lee Keenan grew up in his hometown of Las Vegas, Nevada, exposed to a wide variety of music ranging from rock ’n roll and bluegrass to classical and jazz. After graduating from the University of Nevada, Las Vegas with a triple major in Music, he moved to Los Angeles to continue his musical studies, earning a doctorate in Vocal Arts from the University of Southern California. Since joining the Los Angeles Master Chorale in 2007, he has appeared as a featured soloist each season.

Recent highlights include Magnus Lindberg’s Graffiti with Esa-Pekka Salonen and the Los Angeles Philharmonic; singing the role of the Evangelist in Bach’s St. Matthew Passion; and appearances with the American Bach Soloists in Bach’s Easter Oratorio and St. Matthew Passion, and with the Industry Opera as George Hunter White in Anne LeBaron’s LSD: the Opera. When not singing, he can often be found playing jazz bass with the Disciples Trio on YouTube.

Clifton MasseyClifton Massey   Countertenor

Clifton Massey is an alumnus of the Grammy-award-winning group Chanticleer, with whom he performed in over 200 concerts. He has participated in the Ojai Festival, Tanglewood Music Festival, Oregon Bach Festival, and the early-music festivals of Berkeley, Boston, and Utrecht. He collaborates frequently with notable early-music ensembles such as the Philharmonia Baroque Orchestra, American Bach Soloists, Bach Collegium San Diego, and American Classical Orchestra. Highlights of recent seasons include his solo debut at Lincoln Center in Handel’s Messiah with the choir and orchestra of Trinity Church Wall Street under the direction of Julian Wachner, and modern premieres of Bassani’s Giona and Stradella’s La Susanna with the Academy of Sacred Music.

After living in the Bay Area for 12 years, he is now based in New York City, where he sings with the professional choir of Trinity Church Wall Street. He holds degrees from Texas Christian University and Indiana University’s Historical Performance Institute, where he studied with Paul Hillier and Paul Elliott.

Andrew McIntosh   Violin, Viola

Andrew McIntoshAndrew McIntosh is a composer, violinist, violist, and Baroque violinist. Early-music performers with whom he has collaborated include the American Bach Soloists, Bach Collegium San Diego, Los Angeles Master Chorale, Musica Angelica, Les Surprises Baroques, Tesserae and Preethi de Silva. He was recently featured as a Baroque violinist performing solo Bach at the San Francisco Symphony’s SoundBox series.

McIntosh’s compositions have been featured at major venues across Europe and the United States, and he has received commissions from performing groups such as the Los Angeles Philharmonic, Industry Opera Company, Calder Quartet, and Los Angeles Percussion Quartet. Based in the Los Angeles area, he currently serves on the faculty of the California Institute of the Arts teaching violin, viola, composition, chamber music and Baroque performance practice.

Ian PritchardIan Pritchard   Organ, Harpsichord

Ian Pritchard specializes in historical keyboard practice as a harpsichordist, organist and musicologist. He has performed with many leading early-music ensembles, such as the Academy of Ancient Music, the Orchestra of the Age of Enlightenment and Florilegium. As a chamber musician he has won numerous international prizes and has collaborated with leading figures in early music such as Monica Huggett, Elizabeth Wallfisch, Christopher Hogwood, Emanuelle Haïm, Nicholas McGegan, Trevor Pinnock, Kenneth Gilbert and Gustav Leonhardt. He earned his Bachelor of Music degree at Oberlin, then moved to London to study at the Royal Academy of Music. He is currently pursuing his PhD in Historical Musicology at USC, where his dissertation focuses on early Italian keyboard notation.

Pritchard appears frequently with leading local musical ensembles such as the Los Angeles Philharmonic, L.A. Master Chorale, Musica Angelica and the L.A. Chamber Orchestra, and was a founding member of the early-music ensemble Tesserae. His interests include keyboard music of the late Renaissance and early Baroque, improvisation, notation and performance practice. He is currently a full-time faculty member at the Colburn School Conservatory of Music, and in 2015 was elected an Associate of the Royal Academy of Music.

David ShostacDavid Shostac   Flute

David Shostac was appointed principal flute of the Los Angeles Chamber Orchestra in 1975. An alumnus of Juilliard and Tanglewood, he has also served as principal flute of the St. Louis, Milwaukee and New Orleans symphony orchestras. He has taken part in numerous music festivals, and has appeared with the American Symphony Orchestra, the Boston Symphony and the Los Angeles Philharmonic. He has worked with many prominent conductors, including Eugene Ormandy, Zubin Mehta, Leopold Stokowski, Seiji Ozawa, Karl Richter, Helmuth Rilling and Christopher Hogwood.

Shostac’s most recent recording is Vivaldi Flute Concertos with Song of the Angels Flute Orchestra; his discography also includes J.S. Bach: The Six Flute Sonatas and Masterpieces from the French Repertoire. He is active in the motion picture recording industry and can be heard on hundreds of movie soundtracks. He has taught at USC, UCLA, the California Institute of the Arts, the Aspen Music School and the Idyllwild Arts Academy. He is a faculty member of CSU Northridge.

Mary SpringfelsMary Springfels   Viola da Gamba

Mary Springfels is a veteran of the early-music movement in the United States. She began her career at the age of 21 with the renowned New York Pro Musica, and has been playing, recording and teaching ever since. She was director of the Newberry Consort in Chicago for 25 years, after which she moved to New Mexico in 2008. In recent seasons, she has appeared as a soloist with the Houston, Victoria, Sonoma and Arizona Bach festivals. She performs regularly with the Live Oak Baroque Orchestra, Folger Consort, and Ars Lyrica of Houston.

This year, in addition to her second season with the Baroque Music Festival, Corona del Mar, Springfels is playing at the early-music festivals at Berkeley and Amherst, and is teaching at the SFEMS Medieval and Renaissance Workshop, the VdGSA Conclave, and Viols West. In Santa Fe, she co-directs Severall Friends, a consortium of performers who play early music from Machaut to Rameau, and recently she began to host a live show featuring early repertoires on KSFR, Santa Fe’s public radio station.

Josefien Stoppelenburg   Soprano

Josefien StoppelenburgJosefien Stoppelenburg is equally at home in the worlds of opera, concert and historical performance. She has appeared with the Dutch Radio Philharmonic Orchestra, Noord Nederlands Orchestra, Apollo Chorus of Chicago, Baroque Artists of Champaign-Urbana, Newberry Consort, Handel Week Festival, Bloomington Bach Cantata Project, Fort Wayne Symphony Orchestra, and the Young Opera Ensemble of Cologne, Germany. She has sung leading roles in Handel’s Aci, Galatea e Polifemo and Clori, Tirsi e Fileno, both with the Haymarket Opera Company; and in Poulenc’s La Voix Humaine in the International Chamber Opera Festival in the Netherlands. This season she has performed with the Rembrandt Chamber Players, Boulder Bach Festival, Cincinnati Bach Ensemble, Arizona Bach Festival, and Camerata Amsterdam.

Stoppelenburg’s second love is painting. She was artist in residence at the Evanston Art Center in 2014 and paints frequently on commission. Her colorful works have been used in opera sets, CD booklets, music festival posters and note cards.

Heather Vorwerck   Viola da Gamba, Violoncello

Heather VorwerckHeather Vorwerck is principal cellist with the Bach Collegium San Diego. She is a graduate of the Oberlin Conservatory, where she studied with Catharina Meints and Peter Rejto and received the E. Russell Award for Excellence in Historical Performance. She earned an MFA in cello performance at Mills College, where she was active in the new-music scene, and studied at the Royal Conservatory in the Netherlands with Jaap ter Linden and Anneke Pols. Most recently she has performed with Musica Angelica, Tesserae and Agave Baroque.

Before her recent move to San Diego, Vorwerck was a freelancer and soloist throughout the Midwest, often performing with Apollo’s Fire and the Cleveland Baroque Orchestra. In 2001 she was the viola da gamba soloist for the Rotterdam Baroque Orchestra's production of Bach’s St. John Passion. She can be heard on the experimental-rock studio recording The Happy End Problem with Fred Frith. In San Diego she plays fiddle with the indie-country band Ypsitucky, which was formed last year.

Lara WickesLara Wickes   Oboe

Lara Wickes is principal oboist of the Santa Barbara, Pasadena and New West Symphonies. She has performed with the Pacific Symphony, San Diego Symphony, Los Angeles Chamber Orchestra and the Los Angeles Philharmonic. She holds a Doctor of Musical Arts degree from USC, a Master of Fine Arts degree from the California Institute of the Arts, and a Bachelor of Music degree from the University of Oregon. She works frequently as a recording musician, and can be heard playing oboe and English horn on many motion picture and TV soundtracks.

Wickes’ appearances at music festivals have included the Lucerne Music Festival under the direction of Pierre Boulez, as well as the Spoleto Festival USA, Henry Mancini Institute, Norfolk Chamber Music Festival, and Sarasota Music Festival. She has appeared on TV with several legendary singers, including Prince, Mariah Carey and Andrea Bocelli. In addition to oboe, she plays theremin.

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