In Disney film Pinocchio. Edwards dubbing for Jiminy Cricket. That's the same Edwards who sometimes performed as Ukelele Ike and who first charted with Singing In The Rain (see there).
Glenn Miller [vocal: Roy Eberle]
Rosemary Clooney [with Harry James]
Kate Bush [in In Search Of Peter Pan]
Gregory Porter [on Jazz Loves Disney]
This song was also used as themesong for the Disney tv shows.