The Look and Listen Festival unfolds this weekend in Manhattan and Brooklyn. So Percussion, the Daedalus Quartet, Talujon, and Miranda Cuckson are among the performers; featured composers include Miya Masoka, Anna Weesner, Anna Þorvaldsdóttir, Kaija Saariaho, and Tyshawn Sorey... On the other coast, the Hear Now Festival offers a sweeping survey of LA-based composers, while John Zorn enjoys a day-long tribute that sprawls between LACMA and UCLA's Royce Hall... The American Composers Orchestra's Underwood New Music Readings are scheduled for May 6-7.... The Stefan Wolpe Society's season-long, four-concert survey concludes on May 11.... Coming later in May in Toronto, the Royal Conservatory's 21C Music Festival, with Saariaho as the featured composer.... The New World Symphony has unveiled a lovely, video-stocked website devoted to John Cage.... Kate Soper will be featured in NYC's Music Mondays series on May 11. In June she will appear with the Seattle Modern Orchestra, in a program that also includes Fausto Romitelli and G. F. Haas.... Harry Lawrence Freeman's 1914 opera Voodoo is to be revived by the Morningside Opera, the Harlem Chamber Players, and Harlem Opera Theater, Michael Cooper reports.