Summary: This week on SoundNotion, pianist Aleck Karis joins us from San Diego. His new album of works by Webern, Wolpe, and Feldman is out in December. Other topics include the IMSLP scare (Deemer!), German orchestra issues, and Caroline Shaw’s “Partita” remixes. This week's panel: Sam Merciers, David MacDonald, Nate Bliton, Patrick Gullo, Aleck Karis.