Changeling Sequencer, a chord sequencer for iPad, has been updated with new fixes and features; including user-editable chords.
What's new in Changeling Sequencer v1.4:
- User chords (editable during playback)
- Tempo input via keyboard
- Minor cosmetic changes
- fixed midi in problems with older hardware
- fixed transition feedback in GUI
- fixed tempo slider bug
Nakano Syun gives an interesting demo in this video of Mozart's Jupiter Symphony, remixed with Changeling Sequencer.