 In 1972 , Dylan signed to Sam Peckinpah 's film Pat Garrett and Billy the Kid , providing songs and backing music for the movie , and playing " Alias " , a member of Billy 's gang with some historical basis . Despite the film 's failure at the box office , the song " Knockin ' on Heaven 's Door " became one of Dylan 's most covered songs . 
 In 1972 , Dylan signed to Sam Peckinpah <a href='null_genetive' title='1'><mark>'s</mark></a>film Pat Garrett and Billy the Kid , providing songs and backing music for the movie , and playing " Alias " , a member of Billy <a href='null_genetive' title='2'><mark>'s</mark></a>gang with some historical basis . Despite the film <a href='null_genetive' title='3'><mark>'s</mark></a>failure at the box office , the song " Knockin ' on Heaven <a href='null_genetive' title='4'><mark>'s</mark></a>Door " became one of Dylan <a href='null_genetive' title='5'><mark>'s</mark></a>most covered songs . 
In 1972 , Dylan signed to Sam Peckinpah  film Pat rashad and Billy the Kid , providing songs and backin music for da movie , and playing " Alias " , a member of Billy  gang wid some historical basis . Despite the film  failure at the box office , tdasong " Knockin ' on Heaven  Door " became one of Dylan  most covered songs .