Question: When is the composer of song Wrap Your Troubles In Dreams (Song) 's birthday?
Sentence (from "Wrap Your Troubles in Dreams (song)"): An outtake from one of the sessions recorded on June 9, 1939 was preserved by blooper compiler Kermit Schafer in which Bing has his most famous “blowup” when he continues singing ad-lib and occasionally risqué words perfectly in tune.
Relevant evidence: No