 He accompanied Heifetz on twenty-nine (29) of Heifetz' violin solos for Victor Records.Achron emigrated to the United States in 1922 and became a citizen of that country in 1928.On March 21, 1923 he received a telegram from Jascha Heifetz offering him a position as accompanist for tour beginning May 1, 1923 terminating May 1, 1924 including tour of the orient.