Modifying a few concepts from Pattern Matrix Rethink (post #5) as well as LSDJ’s arranger.
means current playback, always on the left and the example is done with the assumption of asynchronous playback.
< means current edit, always on the right.
| 1 | >1.1 2.1 3.1
| 2 | 1.1 >2.2 3.2
| 2 | 1.1 2.2 3.2
| 3 | 1.1 2.2 3.2
| 4 | 1.4 2.2 >3.4<
…without asynchronous playback.
| 1 | 1.1 2.1 3.1
| 2 | >1.1 >2.2 >3.2
| 2 | 1.1 2.2 3.2
| 3 | 1.1 2.2 3.2
| 4 | 1.4 2.2 3.4<