On May 21 and 28, under the auspices of the Austrian Cultural Forum New York, the Talea Ensemble will survey the admirably unpredictable Austrian composer Clemens Gadenstätter.... The Library of Congress, in collaboration with Q2, has made available a host of new-music concerts. I'm listening now to Chaya Czernowin's Slow Summer Stay II: Lakes.... On May 24, Q2 will devote a twenty-four-hour bloc to the late Canadian composer Ann Southam…. The influential Berlin critic Manuel Brug is blogging.... VisionIntoArt's Ferus Festival (May 29-30, NYC) features this year the likes of Agata Zubel, Hafez Modirzadeh, Molly Joyce, and Cornelius Dufallo.... Steve Schick, the Krishnamurti of percussion, has prepared an online course in advance of this year's Ojai Festival, which looks deliriously interesting.... Will Robin writes about Holly Herndon at Bandcamp.... The venerable June in Buffalo festival, celebrating its fortieth year, and the related Performance Institute get under way on May 30; David Felder's large-scale song cycle Les Quatre Temps Cardinaux will be featured in an Ensemble Signal performance..... Chicago's Spektral Quartet goes comic on May 30, with a Chris Fisher-Lochhead piece inspired by the stand-up cadences of Richard Pryor, Dave Chappelle, and Tig Notaro.... One more George Perle centennial event: May 21 at New York Public Library.... David T. Little's powerful and unsettling Dog Days is coming to LA Opera, under the umbrella of the LA Phil's richly stocked Next on Grand festival. Meanwhile, the eleventh Dog Star Orchestra festival, co-directed by Michael Pisaro, is now unfolding in locations around LA, as is Microfest.... Noted: a fascinating essay by Alice Coote on singing across gender lines.... On May 22 and 23, at Roulette in Brooklyn, ICE will give a preview of George Lewis's opera Afterword, an "aesthetic extension of Lewis’s 2008 book about the Association for the Advancement of Creative Musicians.".... On May 20 the Detroit Symphony will webcast part of its rehearsals for an upcoming Mahler First.... Opera Philadelphia, which won strong notices for its Don Carlo with Eric Owens, is gearing up for the June 5 première of Charlie Parker's Yardbird, an opera by Daniel Schnyder. Larry Brownlee and Angela Brown, the leads, discuss the work.... The new Whitney Museum launches a promising new performance series with a three-day festival, presented by Issue Project Room, devoted to the pioneering multimedia composer David Rosenboom (May 22-24). Coming in June is a major Conlon Nancarrow survey.