Above is a video preview for the SONiC Festival, the major new-music event of the fall New York season. More than a hundred composers aged forty or under, covering a very broad stylistic spectrum, will be featured in a series of nine concerts in October.... Mode Records is currently curating a series of shows at the Stone. Two notable events this weekend: a program including Mauricio Kagel's Ludwig van on Saturday night, and Margaret Leng Tan singing and playing Cage's Four Walls on Sunday.... In Slate, Jan Swafford has a beautiful story on the sad fate of Charles Ives's summer home.... Always worth reading: reviews of new music at the Proms by 5:4. Of the premieres I heard online (only five, to be sure), Simon Holt's Centauromachy might have been my favorite.... Ekmeles, a vocal ensemble whose repertory ranges from Gesualdo to the contemporary avant-garde, is a promising addition to the New York scene. On Oct. 6 they will sing James Tenney, Pascal Dusapin, Johannes Schöllhorn, and Peter Ablinger at ISSUE Project Room's future home on Livingston Street.... "Do you have any advice for people who would like to become fish?" Hilary Hahn, having apparently sat through too many robotic interviews, has responded with a Cagean provocation.