1–99%
Probability — that chance of playing, each pass
FILL
Plays only while FILL mode is active
FILL
Plays only while FILL mode is not active
PRE
Plays if the previously evaluated trig on this track played
PRE
Plays if the previously evaluated trig did not play
NEI
Plays if the last condition on the neighbor track (one below: trk 3 for trk 4) was met
NEI
…if it was not met. No conditional trigs on the neighbor → never plays
1ST
Plays only on the first loop of the pattern
1ST
Plays on every loop except the first
A:B
Plays on pass A of every B passes (of pattern — or track, if shorter)
A:B
Plays on every pass except pass A of B