Exploring the forgotten world of... corporate musical numbers

The five-day Sound Unseen film festival begins today in Minneapolis, highlighting documentaries about music.

"Bathtubs Over Broadway" is being screened tonight at the Trylon Cinema, and it examines the elaborate live musical numbers that companies once commissioned for their corporate conventions. One featured song, called "My Bathroom," was created by the American Standard bathroom fixture company in 1969 — and it's worth a listen.

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