About “One”

Why does "One" show as colored bars instead of notation?

Bar Notation replaces traditional noteheads with colored horizontal bars on a simplified staff — each bar's vertical position is the pitch and its length is the duration. Much easier to read than classic sheet music while still showing the full arrangement of "One".

What key is "One" by Marvin Hamlisch played in?

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

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

The arrangement plays at 120 BPM. Use the speed control (10-200%) to practice slower or play faster.

Is "One" easy to play on piano?

Yes — this is one of our beginner-friendly arrangements with simplified chords and color-coded notes.

Can I download sheet music for "One"?

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

Who composed "One"?

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

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 in our player with color-coded notes; pick the one matching your level.

Is this real sheet music for "One"?

It's a simplified visual notation using colored bars instead of traditional notes. Each bar's vertical position shows the pitch and its length shows duration — much easier to read for beginners while still showing the complete arrangement of "One".

Can I see all the notes in "One"?

Yes! The Bar Sheet shows every note in the arrangement as a colored bar. The sheet scrolls automatically during playback, or you can scroll manually to study any section. The song is in the key of Bb at 120 BPM.