Once is a musical stage adaptation based on the 2006 film of the same name. The book was written by Enda Walsh, retaining many of the songs written by Glen Hansard and Markéta Irglová, including the Academy Award-winning "Falling Slowly."

The broadway version won 8 of it's 11 Tony nominatios and is opening in London's West End. The cast visited the studio to record the album, and can be seen in the video working in Angel's studio 1 with engineer Mat Bartram.