Song of the Prairie (1945)

Joan Wingate's wealthy father doesn't want his daughter to go into show business. As they vacation in the west she gets a job with Dan Tyler's show and uses Wingate money to keep him afloat. Sandwiched in between the numerous musical numbers they try to keep her father away from the show. But he eventually finds out and decides they will return east

Unfortunately the movie Song of the Prairie is not yet available on HBO Max.