Gloria Justen


San Francisco, CA
Violin and Viola
8 Played at 8 groupmuses!

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Gloria Justen is a composer, violinist and violist known for her dynamic, emotionally-charged performances. She has released two albums of original music: Four-Stringed Voice: music for solo violin (2008), and Sonaquifer: Music for Solo Viola (2018). Her composing practice emerges from her lifelong immersion in music as a performer. A graduate of The Curtis Institute of Music in Philadelphia, Gloria has performed and toured internationally with the Philadelphia Orchestra and the San Francisco Symphony, served as Concertmaster of the Chamber Orchestra of Philadelphia for six seasons, toured with the Philip Glass Ensemble, and played many works by other contemporary composers. Gloria lives in San Francisco and creates music for both traditional concert experiences and for electronic music settings.

Traditional Repertoire

Bach's Sonatas and Partitas for Solo Violin
Hindemith Sonata for Solo Violin No. 2
Ysaÿe Sonatas for Solo Violin
Bach Suites for Solo Cello, played on 5-String Viola
My own original music
Chamber music for duos, trios, or other small groups

My original music is based on the classical tradition, and influenced by Bach, Bartok, bird song and folk music. I like to play music that sings, dances, and tells a story. To do this I use every technique and sound on the instruments, including alternate tunings and extended techniques. But I always return to a singing tone that speaks to the heart.

Programs available to host now

Contact Gloria Justen about hosting any of these programs:



Performed groupmuses (8)

Sunnyvale’s 1st Outdoor Groupmuse!

  • Saturday, September 17, 2022, at 5:30 PM
  • Ortega Park Sunnyvale, CA

This groupmuse happened 16 days ago

Sunday Serenade No. 3

  • Sunday, February 2, 2020, at 1:30 PM
  • Richmond District, SF San Francisco, CA

This groupmuse happened over 2 years ago

Sunday Serenade No.2

  • Sunday, January 5, 2020, at 1:30 PM
  • Inner Richmond, SF San Francisco, CA

This groupmuse happened over 2 years ago

Sunday Serenade

  • Sunday, December 1, 2019, at 1:30 PM
  • Richmond District, SF

This groupmuse happened almost 3 years ago

Groupmuse on Friday May 3rd

  • Friday, May 3, 2019, at 7:00 PM
  • Sea Cliff, SF

This groupmuse happened over 3 years ago

Jane & Marc's Groupmuse - West Coast Edition

  • Friday, August 24, 2018, at 7:30 PM
  • The Castro, SF San Francisco, CA

This groupmuse happened about 4 years ago

Glenview Classical Groupmuse

  • Friday, September 30, 2022, at 8:00 PM
  • Glenview, Oakland Oakland, CA

This groupmuse happened 3 days ago

City Lights Music • SAT April 7

  • Saturday, April 7, 2018, at 7:00 PM
  • Glen Park, SF

This groupmuse happened over 4 years ago