High Zero, the improvised music festival that makes for one of the finest gems in Baltimore's cultural landscape, e-mail announced the details of its 11th edition last night. The festivities take place the weekend of Sept. 10-13, once again at the Theatre Project. Out of town performers include folks such as Andrea Neumann ("inner piano"), Morten Olson (drums, "supercollider 3"), Hans Grüsel, Chris Cooper, and many more, hailing everywhere from Norway to Georgia. Local contributions come from a collection of experimental all-stars including Twig Harper, Tom Boram, Melissa Moore, and, again, many more.

The full lineup: Martin Bla%u017Eí%u010Dek (Prague, projection), Chris Cooper (Massachusetts, guitar), Michael Evans (New York, drums), Margarida Garcia (New York, bass), Hans Grüsel (San Francisco, electronics), Killick (Athens, Ga., harpeggione), Miya Masaoka (, New York, koto and electronics), Ava Mendoza (San Francisco, electric guitar),Kenta Nagai (New York, fretless guitar and shamisen), Andrea Neumann (Berlin, inner piano), Morten Olson (Norway, drums and supercollider 3), Christofer Varner (Munich, Germany, trombone), Raed Yassin (Amsterdam, Netherlands, bass) and locals Dave Ballou (trumpet), Nick Becker (moog/electric guitar), Shelly Blake-Plock (guitar), Tom Boram (electronics, voice), Rose Burt (reeds), Samuel Burt (clarinets, electronics), Max Eilbacher (sax, violin, electronics), Twig Harper (electronics), Jorge Martins (guitar, wild wave), Melissa Moore (electronics), Stewart Mostofsky (electronics), Paul Neidhardt (percussion, friction), Kate Porter (cello), and Will Redman (drums).

Email Michael Byrne