Alan Ladd was discovered by Sue Carol for his incredible voice in radio. And then she married him. In I Look At You, he is sweet and graceful. And at the very beginning of his career in film. He sings and leads Rita Rio's all-girl band while she dances around him.
Count Basie does a little rhyming rapping before going into this Benny Goodman instrumental composition. While he's playing, plenty of couples are jitterbugging constantly until, one by one, they get tired and start to fall down on the floor.