Listen to Once I Was 7 Years Old online. Once I Was 7 Years Old is an English language song and is sung by Farbwall. Once I Was 7 Years Old, from the album Once I Was 7 Years Old (Remix Hits Radio Lukas Graham, Adele, David Guetta Ft Zara Larsson), was released in the year 2016. The duration of the song is 3:46. Download English songs online from JioSaavn.