# What A Wonderful World – Louis Armstrong: piano chords

What A Wonderful World by Louis Armstrong uses 42 chords in C major; difficulty on the piano: hard.

## Chords in the song

[C6](https://pianokitty.com/c/C6), [G](https://pianokitty.com/c/Gmaj), [F](https://pianokitty.com/c/Fmaj), [G7](https://pianokitty.com/c/G7), [C](https://pianokitty.com/c/Cmaj), [Bb](https://pianokitty.com/c/Asharpmaj), [A7](https://pianokitty.com/c/A7), [Am](https://pianokitty.com/c/Am), [Am7](https://pianokitty.com/c/Am7), [D7](https://pianokitty.com/c/D7), [G6](https://pianokitty.com/c/G6), [Cmaj7](https://pianokitty.com/c/Cmaj7), [Gsus4](https://pianokitty.com/c/Gsus4), [Gsus2](https://pianokitty.com/c/Gsus2), [Dm](https://pianokitty.com/c/Dm), [Dmmaj7](https://pianokitty.com/c/Dmopenmaj7close), [Dm7](https://pianokitty.com/c/Dm7), [Dm6](https://pianokitty.com/c/Dm6), [Cadd9](https://pianokitty.com/c/Cadd9), [C7](https://pianokitty.com/c/C7), [Fm6](https://pianokitty.com/c/Fm6), [D#dim7](https://pianokitty.com/c/Dsharpdim7), [C/E](https://pianokitty.com/c/Cmaj), [G#6](https://pianokitty.com/c/Gsharp6), [C#](https://pianokitty.com/c/Csharpmaj), [C#maj7](https://pianokitty.com/c/Csharpmaj7), [C#6](https://pianokitty.com/c/Csharp6), [G#sus4](https://pianokitty.com/c/Gsharpsus4), [G#](https://pianokitty.com/c/Gsharpmaj), [G#sus2](https://pianokitty.com/c/Gsharpsus2), [D#m](https://pianokitty.com/c/Dsharpm), [D#mmaj7](https://pianokitty.com/c/Dsharpmopenmaj7close), [D#m7](https://pianokitty.com/c/Dsharpm7), [D#m6](https://pianokitty.com/c/Dsharpm6), [C#add9](https://pianokitty.com/c/Csharpadd9), [C#7](https://pianokitty.com/c/Csharp7), [F#](https://pianokitty.com/c/Fsharpmaj), [F#m6](https://pianokitty.com/c/Fsharpm6), [A#7](https://pianokitty.com/c/Asharp7), [Edim7](https://pianokitty.com/c/Edim7), [C#/F](https://pianokitty.com/c/Csharpmaj), [A#9](https://pianokitty.com/c/Asharp9)

## Chord sheet

- Chords in the song: C6 G C6 F G7 C Bb A7 Am Am7 D7 G6 C Cmaj7 C6 Cmaj7 Gsus4 G Gsus2 G Dm Dmmaj7 Dm7 Dm6 Cmaj7 C6 Cadd9 C7 F Fm6 C A7 Dm7 D#dim7 C/E Dm7 C G#6 C# C#maj7 C#6 C#maj7 G#sus4 G# G#sus2 G# D#m D#mmaj7 D#m7 D#m6 C#maj7 C#6 C#add9 C#7 F# F#m6 C# A#7 D#m7 Edim7 C#/F D#m7 C# A#9 D#m7 Edim7 C#/F D#m7 C# C

## Questions

### Which chords does What A Wonderful World by Louis Armstrong use?

Different chords: 42. They are all in the list under “Chords in the song”.

### What key is What A Wonderful World by Louis Armstrong in?

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

### How hard is What A Wonderful World to play on the piano?

Difficulty: hard. The rating counts the different chords (42), 7th and extended chords, and chords with another bass note.

[Practice this song](https://pianokitty.com/app?subject=songs&spec=C6+G+C6+F+G7+C+Bb+A7+Am+Am7+D7+G6+C+Cmaj7+C6+Cmaj7+Gsus4+G+Gsus2+G+Dm+Dmmaj7+Dm7+Dm6+Cmaj7+C6+Cadd9+C7+F+Fm6+C+A7+Dm7+D%23dim7+C%2FE+Dm7+C+G%236+C%23+C%23maj7+C%236+C%23maj7+G%23sus4+G%23+G%23sus2+G%23+D%23m+D%23mmaj7+D%23m7+D%23m6+C%23maj7+C%236+C%23add9+C%237+F%23+F%23m6+C%23+A%237+D%23m7+Edim7+C%23%2FF+D%23m7+C%23+A%239+D%23m7+Edim7+C%23%2FF+D%23m7+C%23+C&seq=inOrder&title=Louis+Armstrong+-+What+A+Wonderful+World)

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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/louis-armstrong/what-a-wonderful-world