Oren Marshall has been played on NTS in shows including How the Other Half Lives, featured first on 9 June 2017. Songs played include Bracken.

Since performing as a member of the Loose Tubes Oren has worked extensively crossing between classical - jazz - improvised- world music, collaborating with the likes of Derek Bailey, Keith Tippet, the Pan - African Orchestra and the London Philharmonic. Twice nominated for the BBC Innovation in Jazz Award Oren's latest composition. An Introduction to the Story of Spedy Sponda² premiered on BBC Radio 3 in 2002.

Oren took up the tuba at the age of fourteen after several years of studying the oboe and recorder. By the time he was twenty he had played with every major orchestra in London as well as with the Bolshoi Soloists, the Frankfurt Radio Symphony Orchestra and the Canadian Ballet.

During the 1980's Oren played regularly with Loose Tubes, London Brass, the Jazz Warriors, Microgroove and Mervyn Africa and has worked closely with Claudio Abbado, Derek Bailey, Django Bates, Randy Brecker, Mike Gibbs, Rolf Harris, Julian Joseph, Moondog, Butch Morris, Michael Nyman, Nigel Osbourne, David Shea, John Taylor, Keith Tippet, Steve Noble, Mark Anthony Turnage, Kenny Wheeler annd James Wood to name a few.

Oren has also travelled extensively, especially in Africa, collaborating with the Pan African Orchestra, the Ghana Dance Ensemble, Kakatsitsi, Rasha, Abdelkadur Saadoun as well as with Chandru from India and Afro-Shock from Italy.

In March 2001, Oren was part of Chris Batchelor and Steve Buckley's quintet 'Big Air' along with drummer Jim Black and pianist Myra Melford and has collaborated with such free improv alumni as Derak Bailey, Steve Noble and keith Tippet as well as Paul Dunmall, Davey Williams, Dave Wickens, Franz Hautzinger, Mark Sanders, Paul Rutherford and Adam Brett.