What key is "One" in?

"One" by Marvin Hamlisch is in the key of Bb with a tempo of 120 BPM. Difficulty: easy.

Is "One" easy to play on piano?

Yes — this arrangement is rated easy, meaning it uses simple chord patterns and a manageable tempo. Most beginners can play through it in 1-3 practice sessions using our color-coded notes.

Can I play "One" 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" on piano?

1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.

What other songs by Marvin Hamlisch can I play here?

Try "One", "What I Did For Love", "What I Did For Love (from 'A Chorus Line')". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

(Fmaj7)One

sin gu lar sen sa tion (B7)ev ’ry lit tle step she takes.

(Fmaj7)One

thrill ing com bi na tion (Cm)ev ’ry move that she (D7)makes.

One smile and (E7)sud den ly no bod y (E7)else will (Am)do.

You know you’ll (Eb7)nev er be lone ly with (Abm)you (Eb7)know (Cb7)who.

(Fmaj7)One

mo ment in her pres ence (B7)and you can for get the rest,

(Bbmaj7)for the girl is sec ond best

to (Am)none,

(A7)son.

(D9)Ooooh!

Sigh!

(C)Give her your at ten tion.

(Am7)Do I (D7)real ly have to men tion (G7)she’s

(C7)the

(F)one?

She walks in to a room and you know she’s un (F#7)com mon ly rare, ver y u nique, per i pa tet ic, po et ic and chic.

She walks in to a room and you know from her (Edim)mad den ing poise, ef fort less whirl, she’s the spe cial girl.

(F#dim)Stroll

(B7)ing,

can’t help all of her qual i ties ex (Fdim)tol

(Bb7)ling.

(Ebm)Load ed with cha (Bb7)ris ma is my (F#7)jaun ti ly, saun ter ing, (C#)am bl ing sham bl er.

She walks in to a room and you know you must (F#7)shuf fle a long, join the pa rade.

She’s the quin tes sense of mak ing the grade.

This is what cha call (B7)trav ’ling!

Oh, strut your stuff.

Can’t get e nough (A7)of

(G7)her.

(Em7)Love

(A7)her.

I’m a son of a gun, she is one of a (C)kind.

(F)one?

One by Marvin Hamlisch

Easy piano arrangement in the key of Bb at 120 BPM. Difficulty: easy. Color-coded notes — no sheet-reading skill required.

About “One”

What key is "One" in?: "One" by Marvin Hamlisch is in the key of Bb with a tempo of 120 BPM. Difficulty: easy.
Is "One" easy to play on piano?: Yes — this arrangement is rated easy, meaning it uses simple chord patterns and a manageable tempo. Most beginners can play through it in 1-3 practice sessions using our color-coded notes.
Can I play "One" 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" on piano?: 1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.
What other songs by Marvin Hamlisch can I play here?: Try "One", "What I Did For Love", "What I Did For Love (from 'A Chorus Line')". All are available in our player with color-coded notes; pick the one matching your level.