Oorspronklik: Testify by The Simpsons. Voice 1, range. D4-F5. Frank Mula. - Digital Sheet Music. Piano. Vocal. Guitar. Voice 2.
Vertaling: Getuig deur The Simpsons. Voice 1, reeks. - Digitale Sheet Music. uit die Twentieth Century Fox Television Reeks Die Simpsons. Plan.