sentences:  Born into a family of musicians, she began studying the violin with her father, a member of the Philadelphia Orchestra, and later decided to pursue a career on the viola under the tutelage of Leonard Mogill.Other teachers have included Heidi Castleman and Martha Katz.A 1979 graduate of the Curtis Institute of Music, where she studied with Michael Tree and Karen Tuttle, Ms. Dreyfus moved to the New York area, where she performs solo concerts and chamber music recitals and teaches viola, orchestral excerpts, and chamber music.