Glenn Branca is a symphonist. In the last 27 years he has composed 13 symphonies: six for electric guitar ensemble (1,2,6,8,10,12), three for harmonic series instrumentation (3,4,5), three for conventional symphony orchestra (7,9,11) and No. 13 (Hallucination City) for 100 guitars which premiered in NYC at the former WTC in 2001. Since 2006 a revised version of the 100 guitar piece in four movements has been performed in Rome, London (as part of the Frieze Art Fair), Dublin, Belgium, LA (sponsored by the LA Philharmonic), New Jersey (Peak Performance Series at Montclair St. Univ.), Seattle (sponsored by the Seattle Art Museum) and St. Louis (sponsored by the St. Louis Symphony Orchestra).

He has also composed many shorter pieces for a wide variety of Instrumentation, as well as an unproduced opera, a film soundtrack, two ballets and numerous dance and theater pieces. Recent short compositions have been: "In Perpetuity" a special commission for MTV, "Acoustic Phenomena" and "Compositional Recreations" commissioned for the Bang on a Can All Stars, a new performance of "Guitars d'Amour" by Fireworks, a string quartet version of "Light Field" for The Kronos String Quartet commissioned by Carnegie Hall, "Lesson No.3 (a tribute to Steve Reich)" commissioned by the Barbican Center, London (it has also recently been performed at the ATP Festival) and "House of Leaves" commissioned by Art Zoid.

In 2006 Atavistic released for the first time "Indeterminate Activity Of Resultant Masses (for 10 guitars and drums)". Recorded in 1981, this is the piece of music that "disturbed" John Cage and has not been heard since the mid-80's. He is also the inventor of the Harmonics Guitar and a founding member of 70's No Wave bands Theoretical Girls and The Static.

In 2008 he began work on "Symphony No. 14 (The Harmonic Series)" a new piece for orchestra, the first movement of which has been commissioned by The St. Louis Symphony and was premiered on Nov. 13, 2008 conducted by David Robertson.

Photos and recap from The Glenn Branca Ensemble's 9/11 show at LPR (via Brooklyn Vegan)

Robert Longo has had retrospective exhibitions at the Hamburger Kunstverein and Deichtorhallen; the Menil Collection in Houston; the Los Angeles County Museum of Art; the Museum of Contemporary Art in Chicago; the Hartford Athenaeum and the Isetan Museum of Art in Tokyo. Group exhibitions include Documenta (1987 and 1982); the Whitney Biennial (2004 and 1983); and the Venice Biennale (1997.) His work is represented in collections of the Museum of Modern Art, the Guggenheim Museum and the Whitney Museum of American Art, in New York; the Art Institute of Chicago; the Los Angeles County Museum of Art; the Walker Art Center in Minneapolis; the Stedelijk Museum in Amsterdam; the Centre Georges Pompidou in Paris; the Albertina in Vienna; and the Ludwig Museum in Cologne. Robert Longo was the recipient of the Goslar Kaiserring in 2005. Robert Longo is represented by Metro Pictures in New York City and Galerie Hans Mayer in Düsseldorf, Germany. He is a co-founder and member of the band X PATSYS (with Barbara Sukowa, Jon Kessler, Anthony Coleman, Anton Fier and Sean Conly).

Robert Longo lives with his wife, Barbara Sukowa, and their three sons in New York.