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zBug aka z_bug; an industrial jazz unit based in San Francisco, CA that presents structured improvisational music sets based on the performance venue and compositional themes along with featuring prominent video artists and musical guests on selected concert engagements. They have also been associated with Wadada Leo Smith, Kidd Jordan, Eddie Gale, and Lou Reed's Metal Machine Trio.
http://davidleikam.net/projects_zBug.html

Video by Bill Leikam [9:02 of 60:00 excerpt]