Is this real sheet music for "Who Knows"?

It's a simplified visual notation using colored bars instead of traditional notes. Each bar's vertical position shows the pitch and its length shows duration — much easier to read for beginners while still showing the complete arrangement of "Who Knows".

Can I see all the notes in "Who Knows"?

Yes! The Bar Sheet shows every note in the arrangement as a colored bar. The sheet scrolls automatically during playback, or you can scroll manually to study any section. The song is in the key of G at 81 BPM.

Who Knows — Visual Piano Sheet Music

"Who Knows" in visual bar notation — see every note as a colored bar on the staff. Easier to read than traditional sheet music. Scrolls automatically as you play. Key of G, 81 BPM.

Tip: Use the speed control to practice at 70% tempo first. Focus on tricky chord transitions before attempting the full arrangement.

Lyrics

Yeah. Yeah. Yeah, yeah, yeah. Yeah, yeah, yeah. Why do you look ways so an fa mil iar? And I could you swear that I have (D)seen your to face be fore. I think I like that you seem sin cere. son. I think I’d like to get to know (G)we’re you a lit tle bit more. I think there’s some thing more. Life’s worth liv ing for. (G)Who knows what could hap pen? (C)Do what you do, just keep on laugh in’. (G)One thing’s true, there’s al ways a brand new day. I’m gon na live to day like it’s my last day. Yeah. Yeah. Yeah, yeah, yeah. Yeah, yeah, yeah. How do you al ways have an o pin ion? And how do you al ways find the (D)best way to com pro mise? I We don’t need that to have a rea son. We don’t need an y thing, to know (G)we’re just a wast tle ing time. I think there’s some thing more. Life’s worth liv ing for. (G)Who knows what could hap pen? (C)Do what you do, just keep on laugh in’. (G)One thing’s true, there’s al ways a brand new day. I’m gon na live to day like it’s my last day. Yeah. Yeah. Yeah, yeah, yeah. Yeah, yeah, yeah. (G)Who knows what could hap pen? (C)Do what you do, just keep on laugh in’. (G)One thing’s true, there’s al ways a brand new day. I’m gon na live to day like it’s my last day. (G)Find your self, ’cause I can’t find you. (Am)Be your self. Who are you? (G)Find your self, ’cause I can’t find you. (Am)Be your self. Who are you? (CN.C.)Who knows what could hap pen? Do what you do, just keep on laugh in’. One thing’s true, there’s al ways a brand new day. So (G)you go make it hap pen. (C)Do your best, just keep on laugh in’. I’m (G)tell ing you, there’s al ways a brand new day. (G)Who knows what could hap pen? (C)Do what you do, just keep on laugh in’. (G)One thing’s true, there’s al ways a brand new day. I’m gon na live to day like it’s my last day.

Try other practice modes:

Falling Notes Beginner Lead Sheet Simple Sheet

Song Details

Category: Pop
Key: G
Tempo: 81 BPM
Difficulty: medium
Artist: Avril Lavigne

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How to Play "Who Knows" on Piano

1
Pick a practice mode — Choose from Fall Down, Beginner, Lead Sheet, Bar Sheet, or Simple Sheet — each mode visualizes the music differently to match your learning style.
2
Practice each hand separately — Use the Left, Right, and Both buttons to isolate the bass or treble part and build muscle memory one hand at a time.
3
Adjust speed and turn on metronome — Slow down to 50% while learning, then gradually speed up. Enable the metronome to keep steady timing.
4
Loop a section — Select a tricky part and loop it until you nail it. Perfect for mastering difficult passages.
5
Download sheet music — Export a PDF of the sheet music to print out and practice on your real piano anytime, anywhere.