Preludio I — J.S. Bach: piano chords
The full chord chart for Preludio I by J.S. Bach, bar by bar in the original key — and a free player that runs the chords in time with the record while you play.
The chords in Preludio I
Preludio I by J.S. Bach sits in C major at a mid-tempo 100 BPM and moves through 12 chords. The changes come often enough to keep your hands honest — a solid workout once you know your basic triads.
Song structure
- Part 1
- 0:17Part 2
- 0:43Part 3
- 1:07Part 4
Learn the chords first
If any of these shapes are new, the free chord trainer teaches every chord in C major — from plain triads to inversions — with real-song exercises. Then come back and play the record.
Quick answers
Is Preludio I by J.S. Bach hard to play on piano?
Preludio I is an intermediate piece: the changes come often enough to keep your hands busy, so it suits a player who already knows their basic triads. It runs at 100 BPM.
What key is Preludio I by J.S. Bach in?
Preludio I is in C major, at around 100 BPM.
What are the chords in Preludio I by J.S. Bach?
The main chords are C, G7, C7, C/G, Gsus4, Dm7/C, Bdim, C6 and more — see the full bar-by-bar chart on this page.