The Gene Autry Collection: The Sagebrush Troubadour
Rangers Gene Autry and Frog Millhouse travel undercover as western troubadours to find the killer of old, half-blind Frank Martin. Their only clues are a guitar string and a swayback horse that is the key to finding the dead man's lost goldmine.  Complicating matters is the old man's granddaughter, a blonde cyclone of a gal, who is suspicious of Gene and Frog and hires them to supply the music for her grand masquerade dance so she can keep an eye on them.  A musical western filled with with melody, mirth, and mystery!