Rizzo was singing Betty Coed in an off-key tenor, a crooked
smile on his face. (43)
http://www.heptune.com/lyrics/bettycoe.html
Sung by Rudy Vallee in a Betty Boop cartoon of the same name. (Betty started
her cartoon career as a dog!)
http://www.imdb.com/Title?0021655
http://www.computerphiles.net/Boop/Betty's%20Ears.htm
best