Mark Stewart is a New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

-based multi-instrumentalist, composer, singer and instrument designer.

He has been a member of the Fred Frith Guitar Quartet

Fred Frith Guitar Quartet

The Fred Frith Guitar Quartet was a United States-based contemporary classical and experimental music guitar quartet comprising Fred Frith, René Lussier, Nick Didkovsky and Mark Stewart...

, Steve Reich and Musicians

Steve Reich and Musicians

Steve Reich and Musicians, sometimes credited as the Steve Reich Ensemble, is a musical ensemble founded and led by the American composer Steve Reich to perform his compositions. This ensemble has premiered many of Reich's works and has performed his works more than any other...

, Zeena Parkins

Zeena Parkins

Zeena Parkins is a harpist active in rock music, free improvisation and jazz. Parkins plays standard harps, as well as several custom-made one-of-a kind electric harps; she also plays piano and accordion...

' Gangster Band, and Arnold Dreyblatt

Arnold Dreyblatt

Arnold Dreyblatt is an American composer and visual artist. He studied music with Pauline Oliveros, La Monte Young, Alvin Lucier and media art with Steina and Woody Vasulka. He has been based in Berlin, Germany since 1984...

's Orchestra of Excited Strings, and is a founding member of the Bang on a Can

Bang on a Can

Bang on a Can is a multi-faceted classical music organization based in New York City. It was founded in 1987 by three American composers who remain its artistic directors: Julia Wolfe, David Lang, and Michael Gordon...

 All-Stars band and The Jerry Wortman Nonette. Also, he has worked with Paul Simon

Paul Simon

Paul Frederic Simon is an American singer-songwriter and guitarist.Simon is best known for his success, beginning in 1965, as part of the duo Simon & Garfunkel, with musical partner Art Garfunkel. Simon wrote most of the pair's songs, including three that reached number one on the US singles...

, Anthony Braxton

Anthony Braxton

Anthony Braxton is an American composer, saxophonist, clarinettist, flautist, pianist, and philosopher. Braxton has released well over 100 albums since the 1960s...

, Bob Dylan

Bob Dylan

Bob Dylan is an American singer-songwriter, musician, poet, film director and painter. He has been a major and profoundly influential figure in popular music and culture for five decades. Much of his most celebrated work dates from the 1960s when he was an informal chronicler and a seemingly...

, Cecil Taylor

Cecil Taylor

Cecil Percival Taylor is an American pianist and poet. Classically trained, Taylor is generally acknowledged as one of the pioneers of free jazz. His music is characterized by an extremely energetic, physical approach, producing complex improvised sounds, frequently involving tone clusters and...

, Meredith Monk

Meredith Monk

Meredith Jane Monk is an American composer, performer, director, vocalist, filmmaker, and choreographer. Since the 1960s, Monk has created multi-disciplinary works which combine music, theatre, and dance, recording extensively for ECM Records.-Life and work:Meredith Monk is primarily known for her...

, Phillip Glass, Bruce Springsteen

Bruce Springsteen

Bruce Frederick Joseph Springsteen , nicknamed "The Boss," is an American singer-songwriter who records and tours with the E Street Band...

, Edie Brickell

Edie Brickell

Edie Arlisa Brickell is an American singer-songwriter best known for 1988's Shooting Rubberbands at the Stars, the debut album by Edie Brickell & New Bohemians, which went #4 on the US Albums Chart.-Life and career:...

, Don Byron

Don Byron

Don Byron is an American composer and multi-instrumentalist. He primarily plays clarinet, but has also used bass clarinet and saxophones....

, Paul McCartney

Paul McCartney

Sir James Paul McCartney, MBE, Hon RAM, FRCM is an English musician, singer-songwriter and composer. Formerly of The Beatles and Wings , McCartney is listed in Guinness World Records as the "most successful musician and composer in popular music history", with 60 gold discs and sales of 100...

, Marc Ribot

Marc Ribot

Marc Ribot born May 21, 1954) is an American guitarist and composer.His own work has touched on many styles, including no wave, free jazz, and Cuban music. Ribot is also known for collaborating with other musicians, most notably Tom Waits, Elvis Costello, and composer John Zorn.-Biography:Ribot was...

, and in the duo Polygraph Lounge with Rob Schwimmer, with whom he also contributed to Simon & Garfunkel's "Old Friends

Old Friends: Live on Stage

Simon & Garfunkel's Old Friends Live On Stage is a live documentary from their highly successful "Old Friends" reunion concert tour of 2003, with The Everly Brothers as special guests...

" reunion concert tour.

Stewart lives in Brooklyn, New York and is an avid bicyclist.