I Love Louisa by Fred Astaire. From "The Band Wagon (1953)"

Fred Astaire: I Love Louisa

I Love Louisa - Fred Astaire & Leo Reisman's Orch., 1931

1931 HITS ARCHIVE: I Love Louisa - Leo Reisman (Fred Astaire, vocal)

I Love Louisa

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Harold Lang – I Love Louisa