The Music Racket (1930)

An office with two stuffy guys of the music business, one of them Mac who says to "keep that dame away," when Trixie Brown has come by to sing for them, and he thinks she's awful. But when Trixie barges in on her own, Mac turns on his friendly face and tells her to wait in room number three, where he'll be in to listen to her. He then passes through the tin pan alley offices, quickly side-tracked when he sees Lee Morse with a piano man practicing a number.