Forrás: If I Knew by Bruno Mars. I, I was a city boy. Right into danger's where I'd always run, a boy who had his fun. Leadsheet.
Fordítás: Ha tudnám, hogy Bruno Mars. Pop-Soul. - Digitális Sheet Music. Ukulele. Magánhangzói. Chords. Voice, tartomány. Ab4-A5. MN0146428.