Oriģināls: Testify by The Simpsons. Voice 1, range. D4-F5. Frank Mula. - Digital Sheet Music. Piano. Vocal. Guitar. Voice 2.
Tulkojums: Liecināt ar Simpsons. Balss 1, diapazons. - Digitālā Sheet Music. No Twentieth Century Fox Television Series The Simpsons. Plāns.
