Sebastian Jatz Rawicz, lives and works in Santiago, Chile. He is composer and translator. In 2008 he founded arsomnis (www.arsomnis.com) with which he has performed «Musicircus» by John Cage, «Vexations» by Erik Satie and «Reunion» by John Cage (& Marcel Duchamp). Alongside ala1RECS performed about 30 concerts under the name «&» (www.et-musica.cl) This year has presented «Hundred Chords Extended Geometric» in PumaLab (www.arsomnis.com/100acordes) and «The Four Banners Contemporary Art «in the CCE. He has published translations of plays by Jan Fabre and 3 books of interviews with John Cage with Heavy Metals publisher.