In the mid 80s, den Elzen formed Melbourne band Schnell Fenster with ex-Split Enz members Phil Judd, Nigel Griggs and Noel Crombie.
Den Elzen also worked on a project with painter and artist David Munro called Birdbrain, whose music was used in the TV series The Secret Life of Us and in the film Ghosts of the Civil Dead (1988).
Other composer credits include Trespass (2001), Beyond Sorry (2004), Bush Bikes (2003), Us Mob (2005) and Aurukun-Voices From The Cape (2008) by David Vadiveloo, Case 442 (2005) by C.A.A.M.A., Going Bush (2006) by SBS TV, Marree Man (2007), the series Halal Mate (2007) (for which he was nominated in the category of "Best Music for a Documentary" at the 2008 APRA-AGSC Screen Music Awards), That's Australia (2007), Desert Heart (2007), Wedding Makers (2008), Coniston (2012), Kabelbel (2013), Black As series 1-4 (2016-2022) and Truck Hunters (2018-2020) (Ten Network) by Rebel Films, Artists at Work – David Frazer (2007), IOU – Lloyd Rees (2007) and Tom Moore – Glassorama (2008) by Tony Wyzenbeek at ABC TV, the SBS series Love's Harvest (2007) by Brian McKenzie and Rebel Films, and God Is A Wandjina (2021) by Paul Bell (Feral Films) for Compass (ABC TV).
Other artists Michael has recorded with include Zulya Kamalova (he is also accredited with mixing her album Tales of Subliming), Margaret Urlich, Diana Aniad, Bollywood Prog Metal band; BaK and Mimori Yusa (Japan).
Michael also mixed tracks for Kim Salmon & The Surrealists including I Won't Tell from the album Ya Gotta Let Me Do My Thing, and has a musical credit on the film The Man Who Sued God.
An eclectic soundscape featuring Rebecca's haunting vocals, Michael produced and co-wrote the songs, and played all the instruments apart from some acoustic guitar by Barnard.