The repertoire consisted of works by composers Hanns Eisler, Kurt Weill, Kristian Schultze with Bertolt Brecht providing much of the texts.

[4] In 2010, he recorded an album as the group Moss with vocalists Peter Eldridge, Lauren Kinhan, Kate McGarry, and Luciana Souza.

Four years later he recorded an album songs written by pop singer Kate Bush[2] with drummer John Hollenbeck, bassist Skuli Sverrisson, keyboardist Henry Hey, and Caleb Burhans on viola and guitar.

He has worked with Laurie Anderson, Anthony Braxton, Steve Coleman, Dave Douglas, Philip Glass, Michael Tilson Thomas, John Zorn, and the Bang on a Can All-Stars.

As a sound improviser, he has performed, created and developed movie, television, and theater scores, among them an alleged space Alien language for Men in Black by Steven Spielberg, Star Trek: Envoy (Meredith Monk) and Kundun (Philip Glass) Bleckmann sang in John Moran's Book of the Dead at The Public Theater in New York, performed a lead in Bang on a Can's Obie Award-winning opera Carbon Copy Building, and frequently appears as a soloist with The Bang on a Can All-Stars.