International Contemporary Ensemble at Mostly Mozart

This enterprising band of contemporary virtuosos reclaims their role as the official experimenters of the Mostly Mozart festival this year, with three concerts at the Park Avenue Armory. The first, on Aug 17, is an all–Sofia Gubaidulina program. The set list on Aug 19 is devoted to composer Anna Thorvaldsdottir. The bill for the final show, on Aug 21, is the most varied (and enticing), featuring pieces by Dai Fujikura, John Zorn, Alvin Lucier and Messiaen.