Lisa Bielawa has written an imaginative TV/video opera entitled Vireo: The Spiritual Biography of a Witch’s Accuser, unfolding in twelve episodes. They will go online tomorrow at KCET and LinkTV, and the series will have its broadcast premiere on June 13. Josh Kosman has a preview in the San Francisco Chronicle…. The Los Angeles Percussion Quartet has a splendid new record entitled BEYOND, conveying works of Daníel Bjarnason, Anna Thorvaldsdottir, Chris Cerrone, Ellen Reid, and Andrew McIntosh — an interesting mix of Icelandic and Southern California composers. There will be live concerts at National Sawdust on Thursday and at USC on June 16…. The seventy-fifth birthday of Petr Kotik, a stalwart of New York and international experimental music, will be celebrated on June 21 at LPR. George Lewis, Philip Glass, and Alex Mincek will be on hand to discuss this remarkable musician, composer, and advocate. I profiled Kotik for the New York Times back in 1993…. Listen here to a recent Jeremy Denk recital in Duisburg, with a marvelous set devoted to ragtime-inspired pieces. As a consequence, the final two movements of Schubert’s great B-flat Sonata, which can sometimes seem anticlimactic, take on new rhythmic vibrancy…. Justin Davidson, author of Magnetic City, has had two noteworthy pieces in New York in recent weeks: one on the status quo at the Met and the New York Philharmonic, another in defense of the beleaguered business of criticism.