Listen to Knocking on Heaven's Door (From ''pat Garret & Billy the Kid'') online. Knocking on Heaven's Door (From ''pat Garret & Billy the Kid'') is an English language song and is sung by Hanny Williams. Knocking on Heaven's Door (From ''pat Garret & Billy the Kid''), from the album Film Soundtrack (50 Collection Oscar Movie), was released in the year 2015. The duration of the song is 2:50. Download English songs online from JioSaavn.