Composer, saxophonist and flutist Henry Threadgill presents 2 full-length works for his 15 piece band "14 or 15 Kestra: Agg", as he explores new ways of integrating composition with group improvisation, here using an entirely new system of improvisation based on preconceived series of intervals realized in multi-layered counterpoint, rigorous polyphony, and timbral contrasts.

Composer and alto saxophonist Steve Coleman in a superb modern jazz album, written by applying characteristics of human synovial joints to compositional process, and using "camouflage orchestration" to orchestrate players into the fore-, middle- and background.