San Antonio Rose (film)

San Antonio Rose is a 1941 American blackandwhite musical film starring Jane Frazee and featuring Lon Chaney, Jr. and Shemp Howard as a faux Abbott and Costello it was also designed as a showcase for the thenpopular vocal group The Merry Macs. The plot involves two rival groups of entertainers converging on an abandoned roadhouse with the intent to reopen it, unaware that a gangster is eyeing the property for his own scheme.

Source: Wikipedia