I'll Believe You When sheet music. Arrangement for Piano, Guitar and Electric guitar. By Paul Doucette, Matchbox Twenty, Brian Yale and Rob Thomas
By Chad Beguelin and Matthew Sklar, for Piano and Guitar, style Pop, Rock and Broadway
By Debbie Kent, Mariah Carey and Leon Jackson, for Organ, Electronic keyboard and Piano, style Broadway, Folk and Soundtrack
By Ruby Murray, David Caryll and Josephine Caryll, for Guitar and Piano, style Easy Listening
By Aaron Lewis, Aaron C. Fincke and Alan Silvestri, for Trombone, Tuba and Alto Saxophone, style Jazz, Post-Grunge and Adult Contemporary
For Piano, style Gospel
By N Sync and Diane Warren, for Piano and Guitar, style Adult Contemporary, Teen Pop and Dance