Musicnotes features the world's largest online digital sheet music catalogue with over 400,000 arrangements available to print and play instantly. Shop our newest and most popular sheet music such as "What'll I Do?", "Don't Know Why" and "Don't Know Why [Intermediate]", or click the button above to browse all sheet music.
Download our free apps for iOS, Android, Mac, and PC and interact with your sheet music anywhere with in-app transposition, text & highlighter markup and adjustable audio/video playback. Plus, organize your music into folders and set lists and much more!
Select your preferred instrument:
|
What'll I Do?
Irving Berlin |
Eb Major Piano, Voice: Eb4-F5 |
Piano/Vocal/Chords, Singer Pro |
••• |
|
Don't Know Why
Norah Jones |
Bb Major Guitar, Piano, Voice: F3-Bb4 |
Piano/Vocal/Guitar, Singer Pro |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Guitar, Piano, Voice: G3-C5 |
Piano/Vocal/Guitar |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Voice: F3-Bb4, C Instrument |
Leadsheet |
••• | ||
|
Don't Know Why
Norah Jones |
C Major Piano, Voice |
Easy Piano |
••• | ||
|
Don't Know Why [Intermediate]
Jonny May |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
William Haviland |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why [accompaniment only]
Six String Fingerpicking |
E Major Guitar |
Guitar Tab |
••• | ||
|
Don't Know Why [accompaniment version]
HDpiano |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Marianne Kim |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
James Bartholomew |
A Major Guitar |
Guitar Tab |
••• | ||
|
I Don't Know Why (I Just Do)
Fred E. Ahlert |
C Major Piano, Voice |
Easy Piano |
••• | ||
|
Don't Know Why [easy]
Lisa Donovan Lukas |
C Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Norah Jones |
C Major Clarinet: G4-Bb5 |
Clarinet Solo |
••• | ||
|
Don't Know Why
Norah Jones |
G Major Tenor Saxophone: G4-Bb5 |
Tenor Saxophone Solo |
••• | ||
|
Don't Know Why
Norah Jones |
G Major Alto Saxophone: G4-Bb5 |
Alto Saxophone Solo |
••• | ||
|
Don't Know Why
Norah Jones |
C Major Piano, Voice |
Easy Piano |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Norah Jones |
C Major Piano, Voice: A3-D5, Treble Clef Instrument |
Beginner Notes |
••• | ||
|
Don't Know Why [melody version]
HDpiano |
Bb Major Piano |
Piano Solo |
••• | ||
|
I Don't Know Why (I Just Do)
Fred E. Ahlert |
Bb Major Guitar, Piano, Voice: F4-Eb5 |
Piano/Vocal/Guitar |
••• | ||
|
Don't Know Why [intermediate]
Lisa Donovan Lukas |
C Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Flute: G4-Bb5 |
Flute Solo |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Piano |
Piano Solo |
••• | ||
|
Don't Know Why
Norah Jones |
D Major Cello: G4-Bb5 |
Cello Solo |
••• | ||
|
Don't Know Why
Norah Jones |
D Major Violin: G4-Bb5 |
Violin Solo |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Trombone: G4-Bb5 |
Trombone Solo |
••• | ||
|
Don't Know Why
Norah Jones |
D Major Viola: G4-Bb5 |
Viola Solo |
••• | ||
|
Don't Know Why
Norah Jones |
C Major Trumpet: G4-Bb5 |
Trumpet Solo |
••• | ||
|
Don't Know Why
Norah Jones |
Bb Major Voice: Bb3-Bb4, SSATBB Choir |
SSATBB Choir A Cappella |
••• |
Copyright © 2025 Musicnotes, Inc.
