"Signal (Musical group : 2008- )," . . . . . . "Filmed performances" . . "Documentary films" . "Lachenmann performs in and supervises these recordings with Ensemble Signal, one of America's leading New Music ensembles." . . . . . . . "Lachenmann performs in and supervises these recordings with Ensemble Signal, one of America's leading New Music ensembles. Includes documentary of Lachenmann in conversation with Seth Brodsky (Assistant Professor of Music at The University of Chicago), filmed at New York's Miller Theatre." . "Nonfiction films" . "... Zwei Gefühle..., Musik mit Leonardo" . . "\",--Zwei Gefühle-\" (1991-92) : Musik mit Leonardo" . "Chamber music." . . "Ensemble Signal," . . . . "Monologues with music (Instrumental ensemble)" . .