Collaborating with lyricist Eddie DeLange, on songs such as "Heaven Can Wait", "So Help Me", and "Darn That Dream", his work became more prolific, writing over 60 songs in 1940 alone.
In Zusammenarbeit mit dem Textdichter Eddie DeLange entstanden Songs wie „Heaven Can Wait“, „So Help Me“ oder „Darn That Dream“; 1940 schrieb er bereits mehr als 60 Songs.