Named for the Leipzig, Poland location in which this live concert was recorded, the acoustic free improvising quartet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Nuno Torres on alto saxophone, and Johannes von Buttlar on percussion, explore extended ranges and approaches to their instrument in these building and detailed dialogs.

Frequent collaborators Ernesto Rodrigues on viola & crackle box and Nuno Torres on alto saxophone join with Berlin percussionist Johannes von Buttlar, a member of the Altered Forms Trio who have collaborated with Fred Frith, Raymond McDonald, &c., for four "Cosmic Collisions", highly interactive improvisations with impressive inertia and extraordinary technique.