A mashup with Roger Sundström Guitar Jim Goodin (Color Blue, Color Gray) Kavin Allenson (Blues for Doc (Watson)) Paul Mimlitsch ("blue-ish") for ImprovFriday 2012-06-02

A mashup with Roger Sundström Guitar Paul H. Muller (Summer Sky) Steve Layton (I Half Remember Why I Got the Blues) Kavin Allenson (Blues for Pete (Cosey)) Guenter Glaeser (What remains...") for ImprovFriday 2012-06-01

A mashup with Roger Sundström Voice,Drums,Soundscaping Peter Thörn (STE-005) Fabio Keiner (Buddha Machine 1) Steve Moshier (Cold Pac) Christiane Offenbar (Sung Whispering) Guenter Glaeser (the sky has never been so green) for ImprovFriday 2012-05-18

A mashup with Roger Sundström Prepared Guitar, Soundscaping Peter Thörn (MW 1212 kHz) Shane W. Cadman (Piece051112) X2 Gérald DeGroote (Bass' Paces) for ImprovFriday 2012-05-12