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Transposer

Allows for transposing notes within a scale or key.
I hope you enjoy this tool! Most of the code is taken from Note Editor (v.voois) and Scale Finder (Cly/Suva).
Summary:
Transposer is a pattern editor that you can easily switch in and out of (assign it to a hotkey for easy access). When open, the following keys do the following to the editing pattern:
Escape: Exit transposer
Arrow keys: Move the cursor up / down the pattern, left and right moves column by column and flows over into the next track.
Return (with Chord Mode “ON”): All notes on the cursor’s line in the cursor’s track are transposed “INCREMENT” units in the currently selected scale. ANY NOTE WHICH IS NOT A NOTE IN THE SELECTED SCALE IS >>NOT<< TRANSPOSED!
Return (with Chord Mode “OFF”): Only the note in the cursor’s column is transposed.
One example use is to take a melodic theme and transpose it some fixed number of scale steps up or down in some key, and see how the result sounds. Have fun!