Harold Arlen & Leo Reisman's Orchestra Prolific American singer and composer, Harold Arlen was responsible for writing over 500 songs, many of which have become timeless classics. His collaborations with lyricist Ted Koehler include "Get Happy" and "Stormy Weather". Leo Reisman & his Orchestra were famous for having over 80 hits on the popular charts during his career and called "The String Quartet of Dance Bands". Among their hits were Cole Porter's "Night and Day" and Astaire's recording of Irving Berlin's "Cheek to Cheek".