Link to this sequence: 4236908
Simple
Advanced
Synthesizer
Instrument name
Copy
Load
Clone
Delete
Remaking this is (much) harder than beating Nine Circles by
Typical
Connect a MIDI keyboard.
Record keyboard and MIDI inputs.
Snap recorded notes to the grid.
Filter recorded notes using the key guide.
Play a metronome. When recording, gives a 4 beat lead in.