# Half of My Heart – John Mayer: piano chords

Half of My Heart by John Mayer uses 7 chords in E major; difficulty on the piano: medium.

## Chords in the song

[A](https://pianokitty.com/c/Amaj), [E](https://pianokitty.com/c/Emaj), [B](https://pianokitty.com/c/Bmaj), [C#m](https://pianokitty.com/c/Csharpm), [G#m7](https://pianokitty.com/c/Gsharpm7), [Bm7](https://pianokitty.com/c/Bm7), [F#m](https://pianokitty.com/c/Fsharpm)

## Chord sheet

- Chords in the song: A E B C#m A E B A E B C#m A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A B E B C#m A E B C#m A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A B E B C#m A E B C#m A E G#m7 Bm7 F#m E G#m7 Bm7 F#m A B A B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m A E B A E B C#m

## Questions

### Which chords does Half of My Heart by John Mayer use?

Different chords: 7. They are all in the list under “Chords in the song”.

### What key is Half of My Heart by John Mayer in?

The chords fit E major. This is estimated from the chords, so the recording may be in another key.

### How hard is Half of My Heart to play on the piano?

Difficulty: medium. The rating counts the different chords (7), 7th and extended chords, and chords with another bass note.

[Practice this song](https://pianokitty.com/app?subject=songs&spec=A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+B+E+B+C%23m+A+E+B+C%23m+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+B+E+B+C%23m+A+E+B+C%23m+A+E+G%23m7+Bm7+F%23m+E+G%23m7+Bm7+F%23m+A+B+A+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m+A+E+B+A+E+B+C%23m&seq=inOrder&title=John+Mayer+-+Half+of+My+Heart)

[Piano chords for popular songs](https://pianokitty.com/songs/browse)

Chord data: [Chordonomicon](https://huggingface.co/datasets/ailsntua/Chordonomicon), [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/). Chords are transcriptions and can differ from the recording.

https://pianokitty.com/songs/john-mayer/half-of-my-heart