Bars

SUPERSONIC, HYPNOTIC

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An ecstatic array of non-electronic repetition will be explored during “A World in Trance,” four nights of transporting sounds from a half-dozen countries. The powerful Mauritanian griot singer Noura Mint Seymali and her dazzling guitarist husband, Jeiche Ould Chighaly, commence the festivities tonight with Bailo Bah and Sylvain Leroux, who play the pastoral flute music of West Africa’s Fula people. Friday is devoted to virtuosic Sufi praise songs via the dynamic Pakistani qawwali group led by Farid Ayaz and Abu Muhammad. Accompanying himself on sintir, a three-stringed, goatskin-covered bass lute, Marrakesh-born Hassan Hakmoun will perform Gnawa ritual music on Saturday. The spell lifts Sunday following the overtone-rich “throat singing” of Tuva’s Alash, with Ned Rothenberg and Glen Velez improvising transnational trance music on woodwinds and frame drum, respectively.

April 30-May 3, 8 p.m., 2015