Listen to When It's Time (feat. John Gallagher Jr.) (Album Version) online. When It's Time (feat. John Gallagher Jr.) (Album Version) is an English language song and is sung by Green Day. When It's Time (feat. John Gallagher Jr.) (Album Version), from the album American Idiot - The Original Broadway Cast Recording, was released in the year 2010. The duration of the song is 2:40. Download English songs online from JioSaavn.