Deadwood '76 is a 1965 American Techniscope Western film directed by James Landis and starring Arch Hall Jr. and Jack Lester.
A drifter, Billy May (Arch Hall Jr.) arrives in Deadwood, South Dakota. A child misidentifies him as Billy the Kid and the town turns against him. He becomes a fugitive chased by Wild Bill Hickok. He runs into his long lost father who was a Civil War Veteran for the Confederacy. His father has made friends with a tribe of Indians and admires the leadership of the elders in the tribe. He plans on joining forces and tries to get Billy to join but Billy is not interested. He is interested in finding gold and living in peace however that is not what is in store for poor Billy.
Deadwood Music by Harper MacKay Lyrics by Arch Hall Sr. Sung by Rex Holman https://www.imdb.com/title/tt0059093/soundtrack