Focused on trap-inspired piece solo 3. (Skipped solo 2 [handtagonism] thinking solo 3 is probably harder.)
First concept: 16-bar phrase gets looped three times (player 3, players 2 and 3, players 1 2 and 3) and extended on third when all players are in. At each loop, the solo draws inpsiration from the added players.
First loop: hands together, using "dynamics/speed", "new zones", "changing stance" for development.
Second loop: independence, handtagonism
Third loop: rhythm, extended tones (muting, etc)
Extension: Corax et al.
Wrote 2.5 bars of soloist 3 loop, two hands moving together. Not sure what I think of it yet and running out of ideas to fill remaining 1.5 bars. Press on!
next: search for two-hand ideas in L-hand stance with music playing.