What key is "One Less Lonely Girl" in?

"One Less Lonely Girl" by Justin Bieber is in the key of E with a tempo of 176 BPM. Difficulty: medium.

Is "One Less Lonely Girl" 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 "One Less Lonely Girl" 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.

How long does it take to learn "One Less Lonely Girl" 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 Justin Bieber can I play here?

Try "FALL", "DIE IN YOUR ARMS", "U SMILE". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

There’s gon na be one less lone ly girl,

one less lone ly girl.

There’s gon na be one less lone ly girl,

one less lone ly girl.

How man y “I (E)told yous” and “Start o Feb vers” and shoul ders have (Asus2)you of cried on be fore?

How man y (C#m7)prom is es?

Be hon est, girl.

How man y tears (E)e you let hit the floor?

How man y (E)bags you pack, graphs, just to take ’em back?

Tell me that.

(Asus2)How n’t man y “Ei ther, ors”?

But no (C#m7)more.

If you let me in side of your (E)world, there’ll be one less lone ly girl.

(E)(Oh, oh, oh.) Saw so man y pret ty fac es be fore I saw you, you.

Now all I see is you.

I’m com ing for you.

(I’m com ing for you.) (E)No, no.

don’t need these oth er pret ty fac es like I need you, and when you’re mine, in the world there’s gon na be one less lone ly girl.

(I’m com ing for you.) One less lone ly girl, (I’m com ing for you.) one less lone ly girl, (I’m com ing for you.) one less lone ly girl.

There’s gon na be one less lone ly girl.

(I’m com ing for you.) I’m gon na put you first; (I’m com ing for you.) I’ll show you what you’re worth.

(That’s what I’m gon na You let me in side your world, (There’s gon na be one less lone ly girl.) n’t (E)mer ry.

Four teenth of Feb ru ar shoul y, not (Asus2)one of them spent with you.

How man y (C#m7)din ner dates, set din ner plates, and he did n’t (E)e ven touch hit his food?

How man y (E)torn pho to graphs, are you tap ing back?

Tell me that.

(Asus2)How n’t man y “Ei ther, door.

But no (C#m7)more.

If you let me in side of your (E)world, there’ll be one less lone ly girl.

(E)(Oh, oh, oh.) Saw so man y pret ty fac es be fore I saw you, you.

Now all I see is you.

I’m com ing for you.

(I’m com ing for you.) (E)No, no.

don’t need these oth er pret ty fac es like I need you, and when you’re mine, in the world there’s gon na be one less lone ly girl.

(I’m com ing for you.) One less lone ly girl, (I’m com ing for you.) one less lone ly girl, (I’m com ing for you.) one less lone ly girl.

There’s gon na be one less lone ly girl.

(I’m com ing for you.) I’m gon na put you first; (I’m com ing for you.) I’ll show you what you’re worth.

(That’s what I’m gon na You let me in side your world, (There’s gon na be one less lone ly girl.) n’t There’s gon na be one less lone ly girl.

I can fix up your bro (E)ken heart; I can give you a brand (Asus2)new start; I can make you be lieve.

I just wan na set one girl free (F#m)to fall.

Free to fall (she’s free (E)to fall), fall in love with me.

Her heart’s locked, and know what?

I’ve got the key.

I’ll take (B7sus)her, and leave the world with one less lone gon ly be one less girl.

lone ly girl,

one less lone ly girl.

There’s gon na be one less lone ly girl,

one less lone ly girl.

(I’m com ing for you.) One less lone ly girl, (I’m com ing for you.) one less lone ly girl, (I’m com ing for you.) one less lone ly girl.

There’s gon na be one less lone ly girl.

(I’m com ing for you.) I’m gon na put you first; (I’m com ing for you.) I’ll show you what you’re worth.

(That’s what I’m gon If you let me in side your world, there’s gon na be one less lone ly girl.

(I’m com ing for you.) One less lone ly girl, (I’m com ing for you.) one less lone ly girl, (I’m com ing for you.) one less lone ly girl.

There’s gon na be one less lone ly girl.

(I’m com ing for you.) I’m gon na put you first; (I’m com ing for you.) I’ll show you what you’re worth.

(That’s what I’m gon If you let me in side your world, there’s gon na be one less lone ly girl.

there’s gon na be one less lone ly girl.

One Less Lonely Girl by Justin Bieber

27 people have learned this song

Easy piano arrangement in the key of E at 176 BPM. Difficulty: medium. Color-coded notes — no sheet-reading skill required.

About “One Less Lonely Girl”

What key is "One Less Lonely Girl" in?: "One Less Lonely Girl" by Justin Bieber is in the key of E with a tempo of 176 BPM. Difficulty: medium.
Is "One Less Lonely Girl" 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 "One Less Lonely Girl" 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.
How long does it take to learn "One Less Lonely Girl" 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 Justin Bieber can I play here?: Try "FALL", "DIE IN YOUR ARMS", "U SMILE". All are available in our player with color-coded notes; pick the one matching your level.