:) .. Im 'afraid' this is my fault, but he is not having multiple BB-patterns on one track, he has a BB-track for his structure, but the blocks are mute! You can that @
https://youtu.be/Q5twQSBvR88?t=135
Obs where the playhead moves into the red block, nothing
musically happens. He color-code the segment in his project, as i suggested here:
https://www.youtube.com/watch?v=jMPH5prCMv4
So where are his percussion? Properly outside view, but he also shows one snare-loop, that actually is written directly into song-editor.
What you ask for is not possible