[2] It stars Al Jolson, Kay Francis, Dolores del Río, Ricardo Cortez, Dick Powell, Guy Kibbee, Ruth Donnelly, Hugh Herbert, Louise Fazenda, Fifi D'Orsay, Merna Kennedy, Henry O'Neill, Robert Barrat, Henry Kolker, and Spencer Charters in the main roles.

Ferring has gambled on the stock market and lost, now broke after dozens of failed investments, he is at the Wonder Bar to try and pull a one-night stand before killing himself the following day.

They involve several drunken routines by two businessmen (Hugh Herbert and an uncredited Hobart Cavanaugh) and Al Wonder's various narrations as emcee of the floor show and manager of the club.

One was the blackface minstrel show finale, "Goin' to Heaven on a Mule" (featuring Jolson and Hal Le Roy), full of racial stereotypes.

The music was first written for the Broadway stage by Geza Herczeg, Karl Farkas and Robert Katscher [de], and was adapted for the big screen by Earl Baldwin.

Most of the musical numbers were typically 1930s; big-band led by an entertaining band director (Al), with lavish costumes packed with showgirls (the trailers promised 'over 250 of the world's most beautiful women').