Installation commissioned by Berliner Künstlerprogramm des DAAD and presented by the 2004 Inventionen Festival.

The choral version of Requiem for fossil fuels was produced by Electronic MusicFoundation for the second Ear to the Earth Festival and commissioned by Harvestworks with funds from the New York State Council on the Arts, Kunst und Kultur, Österreichisches Bundesministerium für Unterricht, SKE & Austro Mechana, and Stadt Linz. Rfff was sponsored by Austrian Cultural Forum NYC, Berliner Künstlerprogramm des DAAD, and Land Oberösterreich.

For 20 years O+A have been making installations in public space, and these have been used as the source recordings for the Requiem: We would like to thank WNYC Radio, "The Next Big Thing" , Curtis Fox, Dean Olsher, John Hanhardt, Anne Pasternak, Creative Time, World Financial Center Arts and Events, Battery Park City Authority, Christoph Thun-Hohenstein, Austrian Cultural Forum NYC, George Tsypin, V2, Alex Adriansen, Sabine Hensch, Goethe Institute, Jens Cording, Siemens Arts Program, Carsten Seifarth, Singuhr Berlin, Format 5, Flugstunden, Heidi Grundmann, Stadtwerkstatt, Voest, Contained, Just Merit, Peter Sellars, Salzburg Festival. Special thanks to the Wooster Group and to Ableton Live.