Learn "ONE TIME" by Justin Bieber on Piano

Master "ONE TIME" by Justin Bieber with our interactive piano player. This hard-level Pop arrangement is in the key of C# at 144 BPM, making it a rewarding piece for advanced players to master.

Tip: Break "ONE TIME" into sections and master each one separately. The speed control lets you drill difficult passages at any tempo until they feel natural.

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.

Song Details

Category
Pop
Key
C#
Tempo
144 BPM
Difficulty
hard

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How to Play "One Time" on Piano

  1. 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. 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. 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. 4
    Loop a section — Select a tricky part and loop it until you nail it. Perfect for mastering difficult passages.
  5. 5
    Download sheet music — Export a PDF of the sheet music to print out and practice on your real piano anytime, anywhere.