Dynamics is a studio recording with the improvisation quintet Sound of Choice Ensemble from 1998.
Sound of Choice was a musical playground for 5 musicians :

Hasse Poulsen : Guitar,electronics, voice, percussion, objects etc.
Fredrik Lundin : Saxophones, flutes, electronics, voice etc.
Thomas Sandberg : Percussion, marimba, vibraphone,voice, objects etc.
Lars Møller : Saxophones, flute, shenei, voice etc.
Lars Juhl : Drums, voice etc.