Composer Adam Mirza, and saxophonist Michael Ibrahim both lead their own groups. One's called Amp, the other Riot. Judging by titles, one might expect death metal, or by appearance, chamber music. But like many ensembles in New York today, these two groups fall under the category "new music," a term used to denote a genre that employs a vast lexicon of extended techniques to coax sounds from instruments generally deemed classical. Like the technology that......