Izvornik: Dark Blue Sheet Music by No Doubt. No Doubt. Gwen Renée Stefani , Tom Dumont. English. Solero.
Prijevod: Tamno plava Sheet Music bez sumnje. Gwen Renée Stefani, Tom Dumont. Hal Leonard, Universal. Engleski. 0-7692-9768-4. Plan. Vokalni. Chords.