George Lewis, Professor of American Music at Columbia University, is a Fellow of the American Academy of Arts and Sciences and a Corresponding Fellow of the British Academy. His other honors include a MacArthur Fellowship (2002) and a Guggenheim Fellowship (2015). A member of the Association for the Advancement of Creative Musicians (AACM) since 1971, Lewis work is documented on more than 150 recordings, as presented by the London Philharmonia Orchestra, Mivos Quartet, Ensemble Dal Niente, Spektral Quartet, Talea Ensemble, International Contemporary Ensemble, and others. Lewis is the co-editor of the Oxford Handbook of Critical Improvisation Studies (2016), and his book, A Power Stronger Than Itself: The AACM and American Experimental Music (University of Chicago Press, 2008) received the American Book Award and the American Musicological Society’s Music in American Culture Award. His opera Afterword (2015) was performed at Ostrava Days 2015, with additional performances in USA and UK.