Think in scale degrees
Read the harmonic function of a progression instead of memorizing one fixed key.
NUMBER SYSTEM WORKFLOW
Transpose with the Number System
Move between keys while keeping the harmonic relationship easy to understand.
Number-based charts are useful when a band changes key often. Chordasy supports a number-system workflow so musicians can think in scale degrees instead of rewriting every chord name for every key.
Move the song to a new key
Use the key picker and transpose workflow to adapt charts for different singers or instruments.
Keep everyone aligned
A shared number-system mindset can make rehearsals faster when the key changes at the last minute.
RELATED DEMOS
Watch Number System transposing
See both number-based and regular chord transposing workflows.
NUMBER SYSTEM
Number System Transposing
See how Chordasy recognises a Number System chart, lets you choose a key and translates the number chords.
Watch on YouTube →TRANSPOSE
Chord Transpose
See the regular chord transpose workflow when a song needs to move to a different key.
Watch on YouTube →TRY CHORDASY
Try chord transposing online
Use Chordasy’s free PDF transpose tool, then move to the app when you want the full chart and setlist workflow.