What key is "One" in?

"One" by Marvin Hamlisch is in the key of Bb with a tempo of 116 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

One

sin gu lar sen sa tion, ev ’ry lit tle step she takes.

One

thrill ing com bi na tion, ev ’ry move that she makes.

One smile and sud den ly no bod y else will do.

You know you’ll nev er be lone ly with you know who.

One

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

for the girl is sec ond best to none,

son.

Ooh!

Sigh!

Give her your at ten tion.

Do I real ly have to men tion, she’s

the

one?

One