Other arrangements of Who Knows
Pick a learning view.
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 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 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.
Who Knows — Falling Notes Piano Tutorial
2 people have learned this song
Watch "Who Knows" by Avril Lavigne in falling notes style — like Synthesia. Color-coded notes fall onto the keyboard in real time. Practice left hand, right hand, or both. 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.
Try other practice modes:
About “Who Knows”
- Can I learn "Who Knows" with falling notes like Synthesia?
- Yes — Falling Notes mode shows colored note shapes dropping onto a virtual keyboard, the same visual style as Synthesia or piano-tile games. Each note's column matches the piano key you press. Works for "Who Knows" with hands-separate practice in G at 81 BPM.
- What key is "Who Knows" by Avril Lavigne played in?
- Who Knows is arranged in the key of G on Super Simple Piano. You can transpose to any other key live in the player.
- What's the tempo (BPM) of "Who Knows"?
- The arrangement plays at 81 BPM. Use the speed control (10-200%) to practice slower or play faster.
- Is "Who Knows" easy to play on piano?
- This is a medium-difficulty arrangement. Most players can learn it within a few practice sessions using the speed control.
- Can I download sheet music for "Who Knows"?
- Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
- Who composed "Who Knows"?
- "Who Knows" was originally performed by Avril Lavigne. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
- What chords are used in "Who Knows"?
- This arrangement uses 8 chords: Am, C, Cpow, D, Dpow, Em, Em7, G.
- What other songs by Avril Lavigne can I play here?
- Try "MOBILE", "TOMORROW", "EVERYBODY HURTS". All are in our player with color-coded notes; pick the one matching your level.
- Can I practice left and right hand separately for "Who Knows"?
- Yes! Our Top Down mode lets you isolate the left hand (bass clef), right hand (treble clef), or play both together. This makes it easy to master "Who Knows" one hand at a time before combining them.
- What is falling notes style for "Who Knows"?
- Falling notes (also known as Synthesia or piano waterfall) shows color-coded rectangles falling from the top of the screen onto a virtual keyboard. Each note's position matches the piano key you need to press. "Who Knows" is in the key of G at 81 BPM.


