Lights of Old Santa Fe (1944)

In this musical western, Marjorie Brooks (Dale Evans) is the owner and operator of a rodeo that's an antiquated touring company on its last legs. Her business rival, Frank Madden (Richard Powers), offers to combine their operations if the lovely Marjorie will be his bride. Though she initially rebuffs his proposal, a canceled booking tips the scales and forces Marjorie to accept. But rodeo rider Roy Rogers (Roy Rogers) suspects Frank is behind Marjorie's troubles and sets out to investigate.