Oorspronklik: Dark Blue Sheet Music by No Doubt. Gwen Renée Stefani , Tom Dumont. No Doubt. Hal Leonard , Universal. English.
Vertaling: Gwen Stefani Renée, Tom Dumont. Geen twyfel. Hal Leonard, Universal. Engels. 0-7692-9769-2. Solero. Guitar Tab. Bas. Vocal.
