 Complete the following phrase:  From Detroit, at the urging of Louis Armstrong, Jeffries moved to Chicago where he performed in various clubs. One of his first gigs was in a club allegedly owned by Al Capone. Jeffries began his career working with Erskine Tate and his Vendome Orchestra. Tate signed the 19-year-old Jeffries to a contract with his Orchestra at the Savoy Ballroom in Chicago. His break came during the 1933 Chicago Worlds Fair 