Just stumbled upon another way around Ableton Live Lite 11's 8-track limit. Demonstrating it with MIDI tracks here but I think something could be done about audio tracks as well so let me know if that's something you'd be interested in watching.
Background track:
https://rossocorsarecords.bandcamp.co...
00:00 Intro
00:34 the old approach
00:49 the chain selector
02:41 the issue
04:07 the solution: 1. the key pane
05:57 the solution: 2. MIDI octaves
07:11 the solution: 3. the Pitch device
09:16 independent FX chains
10:45 setup recommendation
12:05 outro