In 1953 he started recording for Mercury Records with his own orchestra, featuring his own harmonica solos, and others by Jerry Murad, leader of the Harmonicats. His hits included ‘Ruby’ (from the film, Ruby Gentry), ‘April in Portugal’, ‘Limelight (Terry’s Theme)’, ‘Eyes of Blue’ (theme from the film, Shane), ‘The Story of Three Loves’ (the film title theme), ‘Off Shore’ and ‘Sadie Thompson’s Song’ (from the Rita Hayworth movie, Miss Sadie Thompson). His last chart entry, in 1956, was ‘A Theme from the Threepenny Opera (Moritat)’, featuring pianist Jan August. He also made some recordings under the name of Dick Hayman and the Harmonica Sparklers. He composed several numbers such as ‘Dansero’, ‘No Strings Attached’, ‘Serenade to a Lost Love’, ‘Carriage Trade’, ‘Skipping Along’ and ‘Valse d’Amour’.
For over 30 years Hayman was arranger for the Boston Pops Orchestra and pops conductor for the St. Louis Symphony. In the new millennium he worked as a conductor for various orchestras including the Grand Rapids Symphony. In 2010, he made a final appearance with the St. Louis Symphony, at a celebration of his 90th birthday. Hayman died in a Manhattan nursing home on 5 February 2014 at the age of 93.