What key is "Who Knows" in?

"Who Knows" by Avril Lavigne is in the key of G with a tempo of 81 BPM. Difficulty: medium.

Is "Who Knows" easy to play on piano?

This arrangement is rated medium. It requires comfort with chord shapes and basic hand independence. Expect 1-2 weeks of regular practice for a confident performance.

Can I play "Who Knows" without reading sheet music?

Yes. Our player offers a falling-notes mode (Synthesia-style) and a beginner mode with color-coded keys — both let you play along without reading traditional notation.

What chords are used in "Who Knows"?

This arrangement of "Who Knows" uses 8 chords: Am, C, Cpow, D, Dpow, Em, Em7, G.

How long does it take to learn "Who Knows" on piano?

2–4 weeks of consistent practice (20–30 min/day) for an intermediate player. Drill the tricky passages in isolation first.

What other songs by Avril Lavigne can I play here?

Try "MOBILE", "TOMORROW", "EVERYBODY HURTS". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

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.

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.

(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 by Avril Lavigne

1 person has learned this song

Easy piano arrangement in the key of G at 81 BPM. Difficulty: medium. Color-coded notes — no sheet-reading skill required.

About “Who Knows”

What key is "Who Knows" in?: "Who Knows" by Avril Lavigne is in the key of G with a tempo of 81 BPM. Difficulty: medium.
Is "Who Knows" easy to play on piano?: This arrangement is rated medium. It requires comfort with chord shapes and basic hand independence. Expect 1-2 weeks of regular practice for a confident performance.
Can I play "Who Knows" without reading sheet music?: Yes. Our player offers a falling-notes mode (Synthesia-style) and a beginner mode with color-coded keys — both let you play along without reading traditional notation.
What chords are used in "Who Knows"?: This arrangement of "Who Knows" uses 8 chords: Am, C, Cpow, D, Dpow, Em, Em7, G.
How long does it take to learn "Who Knows" on piano?: 2–4 weeks of consistent practice (20–30 min/day) for an intermediate player. Drill the tricky passages in isolation first.
What other songs by Avril Lavigne can I play here?: Try "MOBILE", "TOMORROW", "EVERYBODY HURTS". All are available in our player with color-coded notes; pick the one matching your level.