The clip is from the 1936 musical comedy film Swing Time by RKO starring Ginger Rogers and Fred Astaire among others.
The film set is New York City, directed by George Stevens, music by Jerome Kern and lyrics by Dorothy Fields
The clip is when Astaire saves Rogers job by showing the Boss how much she has taught him!!! dancing to Pick Yourself Up… Enjoy…
Swing Time is considered to be Astaire and Rogers’ best dance musical, featuring dance routines that are regarded as masterpieces, Never Gonna Dance, with Hermes Pan signature on this one, The Way You Look Tonight which won the Academy Award for Best Original Song and went on to become Astaire’s most successful hit record, scoring first place in the U.S. charts in 1936.