In order to legally use existing music for any film, you must first obtain the rights to use the music, from the legal owner.
Buffalo Springfield - For What It's Worth
The Jazz Singer (1927)
Our Song - film - was created in 2000.
Song of the Sea - film - was created in 1952.
Song of Norway - film - was created in 1970.
Spring Song - film - was created in 1946.
The Executioner's Song - film - was created in 1982.
The duration of Night Song - film - is 1.7 hours.
The duration of Song of the Sea - film - is 2.07 hours.
Night Song - film - was created in 1948-01.
The duration of Song of the West - film - is 1.37 hours.
The duration of Song of Norway - film - is 2.3 hours.