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Navarro River Music
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Navarro River String Camp Faculty

teachers | Navarro River Music

Marion Crombie, co-director of Navarro River String camp, was born in England and received her training on the viola at the Robert Schumann Konservatorium in Düsseldorf, and at the Royal College of Music in London. She has been teaching since 1972, combining this with playing in orchestras and chamber ensembles and raising three children. Marion moved from Oxford to California in 1993 where she continued to freelance and teach. A lifelong passion for chamber music playing led to the formation in 2002 of the Redwood Youth String Camp, as a way of introducing young players to the joys of chamber music. At the request of their adult students wanting a string camp as well, Marion and Marcia Sloane started Navarro River String Camp in 2004. In September 2008 Marion moved back to England to start on a three year training course in Alexander Technique. She graduated in July 2011, and is now working as an Alexander Technique teacher ( as well as viola player and viola/violin teacher. She divides her time between the US and the UK.

Marcia Sloane, co-director of Navarro River String camp, has had a wide-ranging career in the U.S. and Canada playing orchestral and chamber music, improvising and composing for dance and theatre, arranging and playing for recordings, and collaborating with visual artists and storytellers. She was one of the founders of Symphony of the Redwoods on the Mendocino Coast in 1983 where she has resided and maintained a private teaching studio for many years. Marcia attended Stanford University and received a B. A. in India Studies from Sonoma State University studying north Indian classical music. Her training as a Ta Ke Ti Na teacher with Austrian percussionist Reinhard Flatishler influences her work as a teacher, performer, and composer. She has made several CDs of her music as well as Cello Drones for Tuning and Improvisation, a CD used by musicians throughout the world.

Abigail Summers grew up in the English countryside, playing piano and cello from an early age. She studied performance at the Royal College of Music in London and while there took an interest in Baroque cello and viola da gamba. Since moving to California in 1988 she has performed with various chamber and orchestral ensembles in Mendocino, Lake and Sonoma counties. A private cello and piano teacher for over 30 years, Abigail has taught string groups and orchestras in local Waldorf Schools and currently is cello coach for the Napa Youth Orchestra.

Interest in Yoga began over 30 years ago due to a 'nagging backache'. Abigail initially studied Iyengar style Yoga and completed a Teacher Training at Yoga Mendocino in 2005; since then she has taught Yoga classes in England and California and has helped many Navarro River string campers to Stretch & Relax.

Burke Schuchmann studied in London with William Pleeth for five years, making his debut at age 19. He also studied for extended periods of time with Margaret Rowell and Colin Hampton. After finishing his studies in England, he became principal cellist and soloist with the Salzburger Solisten in Austria. He has performed extensively as a soloist and chamber musician in Europe, the U.S., and Israel, and has served as principal cellist and soloist with the Sacramento Symphony and Mendocino Music Festival Orchestra. Burke is the artistic director of the Palomarin Chamber Music Foundation and directs the Berkeley and Marin Chamber Music Workshops. He has taught on the faculties of CSU Chico, UC Berkeley, and San Domenico School’s Conservatory of Music.

Kaila Flexer, violinist, composer, and teacher, is half of the duo Teslim (with multi-instrumentalist Gari Hegedus) who perform Sephardic, Greek, Turkish and original music. She has toured nationally and internationally at the helm of several ensembles featuring her original material as well as with other groups including The Bay Area Jazz Composer’s Orchestra and Kitka Women’s Vocal Ensemble. Kaila has recorded three CDs of original and traditional music to critical acclaim. She resides in Oakland where she teaches violin to all levels and ages in a variety of styles including traditional music from Eastern and Western Europe. She has recently become a succulent fanatic!

Elizabeth Grunin began playing cello at the age of four in Kharkov, Ukraine. In 1992 her family emigrated to Sacramento, CA and Elizabeth began studying with Susan Lamb Cook. Elizabeth has been a member of the Sacramento Youth Symphony, Camellia Symphony, and C.S.U.S. and U.C. Davis Symphony orchestras. She has performed with chamber groups and as a soloist at the Crocker Art Museum, Jackson Hall at the Mondavi Center, and other venues. In 2002 Elizabeth traveled to Austria to participate in the Classical Music Festival hosted by Scripps College. She also played with the San Francisco Symphony Youth Orchestra on their European tour and with Youth Music International in Oxford, England. Elizabeth received her M.M. from the San Francisco Conservatory and her D.M.A. at the University of Nebraska-Lincoln. In February 2017 she was a presenter at the International Conference on the composer Mieczyslaw Weinberg held in Moscow.

James Shallenberger (violin/viola) is an active freelance musician in the San Francisco Bay Area. He performs with the San Francisco Symphony, Opera and Ballet Orchestras, and was a founding member of the Kronos String Quartet. He has also performed with many pop and jazz artists including Henry Mancini, Dionne Warwick, Frank Sinatra, and Ray Charles. He is involved in recording and arranging, appearing on CDs with Linda Ronstadt, Aaron Neville, Al Jarreau, and John Williams, and recording sound tracks for many major films, including Star Wars, at George Lucas’ Skywalker Ranch. In the 1980s he co-produced and arranged four award-winning albums of traditional children’s music, The Keepsake Collection, for Lancaster Productions. Tours with Sammy Davis Jr., Keith Jarrett, and the Argentine dance review “Forever Tango” have taken him throughout the United States, as well as to Europe, Canada, and Japan.

Tammie Dyer (violin) holds a Doctorate of Musical Arts from Stony Brook University, an M.M. from Rice University, and a B.M. from the University of Utah. She has studied with many of the great artists of our time, including Philip Setzer, Dorothy DeLay, Pamela Frank, Kathleen Winkler, members of the Cleveland String Quartet, and the Emerson String Quartet. An enthusiast of contemporary music, she has worked with many composers, including Steve Reich, Harrison Birtwistle, Mario Davidovsky, and Shulamit Ran. An avid chamber musician, Tammie has attended the Tanglewood, Aspen and Sarasota music festivals, taught at the Sequoia Chamber Music Workshop at Humboldt State, and was in residence at the Upper Valley Music Center in New Hampshire with the Ocarina String Quartet. Tammie is currently active as a teacher and performer in the greater Bay Area and has played with Symphony of the Redwoods, the Mendocino Music Festival Orchestra, the North State Symphony, Philharmonia Healdsburg, the American Philharmonic, the Santa Rosa Symphony, and at such venues as Davies Symphony Hall, the Greek Theater, the Fox Theater, and the Gallo Center for the Arts.

teacherscomposite | Navarro River Music
assistantteachers | Navarro River Music

Coaching Assistants

Morgan McMahon grew up in Mendocino County and studied violin with Marion Crombie, with Yoko Acheson of Petaluma, and most recently with Jolán Friedhoff of Davis. She graduated from the University of California, Davis in 2011 with a degree in Environmental Horticulture and Urban Forestry. Morgan enjoyed playing with the UC Davis Symphony Orchestra for 6 years and was able to tour with the orchestra to Spain in 2012. In her free time Morgan loves to garden at her home in Davis, CA.

Isabel Seekatz grew up in Mendocino and Shasta County and began studying violin with Marion Crombie at age 6. After moving to Shingletown at age 11 she took lessons with Mark Davis of Chico and Lisa Ho of Redding. Isabel played for many years with the Redwood Youth Symphony and later with the Simpson University Sinfonia and Shasta College Symphony. She has also been playing with a Celtic band named Morghande for the past eleven years. In 2015 Isabel graduated from The University of the Pacific Conservatory of Music majoring in Violin Studies and Music Management, and now works in the music department at Shasta College as a Music Paraprofessional.

Trenton Williams began violin at age 10 and viola at age 13. He has performed with many orchestral groups in the Mendocino and Sonoma county areas. Trenton has also taught violin and viola privately and is currently the music teacher at the Waldorf School of Mendocino County where he teaches stringed instruments to students in grades 3-5. Trenton began his musical training as a student of Marion Crombie and has also received training from Don Ehrlich of the San Francisco Conservatory and Keith Lawrence, formally with Quartet San Francisco. Trenton currently studies with Alex Volonts of the Santa Rosa Symphony.

Photo by Larry Lozares

Photo by Larry Lozares

String Camp 2009, Wellspring.

String Camp 2009, Wellspring.


Navarro River Music
Box 366
Mendocino, CA 95460


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