On the Arrange page in Scaler 3.1, once you assign any of these—
- Phrases
- Bass
- Melody
- Sequences
—you’re stuck with it. Want to try something else? There’s no option to change it in the MIDI pane—you have to delete the entire track, add a new one, pick your next phrase, then repeat if you don’t like it. It turns simple tweaking into a tedious cycle of delete → recreate → select.