Inversion Stack
Read the figured bass, then build the chord above it — and learn every inversion of the same triad along the way.
How to play
Each challenge shows a bass note plus a figured-bass symbol. Your job is to stack the correct chord tones above that bass on the on-screen keyboard, then submit. A round walks the same diatonic triad through all three positions so you internalise root, first and second inversion.
- Play the bass and figure to know which triad is implied
- Click the keys that complete the chord above the bass
- Submit a correct stack to clear the challenge and move on
- Use a hint if a voicing has you stumped
Controls
- Desktop: click piano keys to add or remove notes; use the Clear, Hint and Submit buttons
- Phone & tablet: tap the keys and buttons — the whole interface is touch-driven
Tips & strategy
- Find the root from the figure first, then spell up in thirds
- Remember the bass is fixed — you are choosing the notes that sit above it
- Lean on the repeated triad: once you voice it in root position, the inversions are the same notes reordered
What you'll learn
Inversion Stack turns figured-bass reading and chord inversions into a quick stacking puzzle.
- Skills: chord inversions, figured bass, harmony, music theory
- Best for: roughly grades 9–12 (ages 14+)
- For parents & teachers: chord inversions and figured bass.
About Inversion Stack
Inversion Stack is an original, free browser game that turns figured-bass reading and chord inversions into a quick daily drill. It is built in-house — no downloads, just open and play.
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