Heifetz, Jascha. (1901–1987) & Bay, Emmanuel. (1891–1968) Signed ProgramSigned program from the masterful violinist, who performed with his longtime accompanist Emmanuel Bay in a recital for the Civic Music Association. Both Heifetz and Bay have signed in pencil across the program listing, which included works by Bach, Beethoven, Lalo, Schubert, Wieniawski and others. 3 pp. Fine. 5. 5 x 8 inches (14 x 20. 2 cm).