COBRA, a performance of John Zorn's infamous free improv "game-piece," demanding a new approach to the founding principals of improvisation. COBRA performed by NYC's El Topo and other musicians, and conducted by Dave Harrington. Followed by: El Topo from NYC . Acid-exotica music. Drawing on influences of Dirty Harry movies to out-of-print Moroccan casettes, to metal. El Topo combines the intensity and energy of a psychedelic rock band with the jump cut attitudes of soundtrack music.