What key is "One Time" by Justin Bieber played in?

One Time is arranged in the key of C# on Super Simple Piano. You can transpose to any other key live in the player.

What's the tempo (BPM) of "One Time"?

The arrangement plays at 144 BPM. Use the speed control (10-200%) to practice slower or play faster.

Is "One Time" 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 "One Time"?

Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.

Who composed "One Time"?

"One Time" was originally performed by Justin Bieber. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.

What chords are used in "One Time"?

This arrangement uses 10 chords: A, A6, B, C, C#m, C#m7, D#dim, E, +2 more.

What other songs by Justin Bieber can I play here?

Try "FALL", "ONE LESS LONELY GIRL", "DIE IN YOUR ARMS". All are in our player with color-coded notes; pick the one matching your level.

Lyrics

Ay, ay, ay, ay, ay, ay, ay, ay.

(CN.C.)Me plus you,

(I’m a tell you one time, plus you, one time, I’m a tell you one time, plus you, one time, I’m a tell you one time, one time, one time.) one time.

When I met you, (A)girl, my heart went knock knock.

Now them but ter (E5)flies in my stom ach won’t stop (E5)stop.

And e ven though (A)it’s a strug gle, love is all we got; so we gon’ keep (E5)keep climb in’ to the moun tain (E5)top.

(Ee (C#m)yo.) Your (A)world is my world, and my (E5)fight is your (B)fight, and my (A)breath is your breath, and your (E5)heart...

And now (B)you’re my (C#m)one love, my one heart, my (B)one life (E)for sure.

Let me tell you (B)one (A)time, (Girl, I love, girl, I love I’m a tell you one (E)time.

(Girl, I love, girl, I love you.) And I’m a be your (C#m)one guy; you’ll (A)be my num ber one girl, al ways (B)mak ing time (E)for you.

I’m a tell you (B)one (A)time, (Girl, I love, girl, I love I’m a tell you one (E)time.

(Girl, I love, girl, I love you.

Hey.) You look so deep; you know that it hum bles me.

You’re by my side, them trou bles, them not trou ble (E5)me.

Man y have called, (A)but the cho sen is you.

(B)What ev er you want, shaw (E5)ty, I give it to (C#m)you.

Your (A)world love you.)

(CN.C.)Shaw ty right there; she’s got ev ’ry thing I need.

And I’m a tell her one time, time, one time.) give you ev ’ry thing you need,

down to my last dime.

(C#m)She makes me (D#dim)hap py.

(E)I know where (F#m)I’ll be, (C#m7)right by your (A6)side; ’cause (CN.C.)she is the one.

And, girl, you’re my (C#m)one love, my one heart, my (B)one life (E)for sure.

Let me tell you (B)one (A)time, (Girl, I love, girl, I love I’m a tell you one (E)time.

(Girl, I love, girl, I love you.) And I’m a be your (C#m)one guy; you’ll (A)be my num ber one girl, al ways (B)mak ing time (E)for you.

I’m a tell you (B)one (A)time, (Girl, I love, girl, I love I’m a tell you one (E)time.

(Girl, I love, girl, I love you.)

(C#m)Me plus you,

(I’m a tell you one (E)me plus you, one (B)time, I’m a tell you one (A)me plus you, one time, I’m a tell you one (E)time, one time, one (B)time.) one time.

One Time — Falling Notes Piano Tutorial

1 person has learned this song

Watch "One Time" by Justin Bieber 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 C#, 144 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:

Beginner Lead Sheet Bar Sheet Simple Sheet

About “One Time”

What key is "One Time" by Justin Bieber played in?: One Time is arranged in the key of C# on Super Simple Piano. You can transpose to any other key live in the player.
What's the tempo (BPM) of "One Time"?: The arrangement plays at 144 BPM. Use the speed control (10-200%) to practice slower or play faster.
Is "One Time" 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 "One Time"?: Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
Who composed "One Time"?: "One Time" was originally performed by Justin Bieber. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
What chords are used in "One Time"?: This arrangement uses 10 chords: A, A6, B, C, C#m, C#m7, D#dim, E, +2 more.
What other songs by Justin Bieber can I play here?: Try "FALL", "ONE LESS LONELY GIRL", "DIE IN YOUR ARMS". All are in our player with color-coded notes; pick the one matching your level.