John Zorn may have turned 70 this month, but he looks younger. Zorn has been taking his stylistically varied live performances on the road to celebrate this birthday. On Thursday, the Miller Theater at Columbia University took its turn, with the first in a series of “composer portrait” concerts that continue into November. Throughout the evening, this most hyperactive of American composers could be seen bounding with ease between the stage and his seat in the audience. With a ringleader’s zeal, Zorn introduced different groupings of musicians.

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Persons: John Zorn, Homenaje, Remedios Varo ”, Zorn, Tristan Tzara Organizations: Walker Art Center, Roulette, Theater, Columbia University Locations: Remedios, San Francisco, Minneapolis, Brooklyn