So far in Snoose Junction, nearly all the music has been of an intentional but entirely freeform character. The only exceptions I can think of (in 6 months of weekly performance) are a) John Foss’ “Superbarristas” closing theme, which itself most likely originated as an improvisation, and b) an instance of Guitoracle which took place in December 2006, although the purely improvisational nature of El Grande Conquistadore (November 2006: Beezer, Iverson, Tennis, Van Yserloo) has been debated, mainly the contribution of singer / guitarist / visual artist Whiting Tennis.
The set by El Grande Conquistadore was nonetheless one of my favorite sets to date, and if Tennis is in fact bringing preconceived material to the stage, the results are still largely intentional freeform channelling with Whiting's contribution serving as a catalyst, since I know John Beezer won't play in bands that rehearse or play songs...
Snoose Junction improvisations are characterized less by form or preconception - most consisting of stream-of-consciousness themes and variations which arise from musical dialogue between the players - than by juxtaposition of different energies in the form of different combinations of musicians. In this sense we are all the composer, and an absence from the stage is as much a part of the picture as a presence.