Jascha Heifetz, Violin According to the New York Times review (Nov. 16, 1924, pg. 30), Jascha Heifetz gave "an hour of encores" at the conclusion of his regular program, but the review does not name them. WORLD PREMIERE of Jakob Dont's ETUDE NO.6, arr. Joseph Achron WORLD PREMIERE Joseph Achron's LA ROMANESCA solo recital 1924-11-15T14:30:00