Multi-instrumentalist, singer, song leader, composer and instrument designer Mark Stewart has been heard around the world performing old and new music. Since 1998 he has recorded, toured and been Musical Director with Paul Simon. A founding member of the Bang on a Can All-Stars and the duo Polygraph Lounge with keyboard & theremin wizard Rob Schwimmer, Mark has also worked with Steve Reich, Sting, Anthony Braxton, Bob Dylan, Wynton Marsalis, Meredith Monk, Stevie Wonder, Phillip Glass, Iva Bittova, Bruce Springsteen, Terry Riley, Ornette Coleman, Edie Brickell, Don Byron, Joan Baez, Hugh Masakela, Paul McCartney, Cecil Taylor, Bill Frisell, Jimmy Cliff, Charles Wourinen, the Everly Brothers, Steve Gadd, Fred Frith, Alison Krauss, David Krakauer & Klezmer Madness, Bobby McFerrin, David Byrne, James Taylor, The Roches, Aaron Neville, Bette Midler, and Marc Ribot. He has worked extensively with composer Elliot Goldenthal on music for the films The Glorias, Midsummer Night’s Dream, The Tempest, Across the Universe, Titus, The Butcher Boy, The Good Thief, In Dreams and Heat. He has designed instruments for Julie Taymor’s Midsummer Nights Dream & Theater For A New Audience’s production of King Lear. He is the inventor of the WhirlyCopter, a bicycle-powered Pythagorean choir of singing tubes and the Big Boing, a 24 ft. sonic banquet table Mbira that seats 30 children playing 490 found objects, and he is a Visiting Lecturer in musical instrument design & performance practice at MIT. Mark is also a curator at MASS MoCA of the immersive Gunnar Schonbeck exhibit of musical instruments and co-founder of SoundstewArt, a company that designs immersive sound environments & community music making experiences. Since 2012, he has been the Artistic Director of Guitar Mash, leading the participatory communal Urban Campfires together with renowned artists sharing their favorite songs and life stories. Mark can be heard on Blue Note, Warner Bros., Sony, Sony Classical, Point/Polygram, Nonesuch, Label Bleu, Resonance Magnetique, Cantaloupe and CRI recordings. He lives in Brooklyn, NY & North Adams, MA, playing, singing & writing popular music, semi-popular music and unpopular music, whilst designing instruments that everyone can play.