who sang once i was seven years old
7 Years (Lukas Graham song) "7 Years" is a song by Danish soul-pop band Lukas Graham from their second studio album, Lukas Graham. The song was released as a digital download on 18 September 2015 by Copenhagen Records.[citation needed] The lyric video was uploaded to YouTube on 17 November 2015, and the music video was uploaded on 15 December 2015.