Listen to rhythmic music, whether for percussion, string quartet or vocal duet for this New Sounds. Hear works from percussionist Ian David Rosenbaum, Kelly Moran, and the Jasper String Quartet, and a vocal duet from Meredith Monk and Robert Een. From the recent record, Unbound, by the Jasper String Quartet, hear a non-stop motoring work by Judd Greenstein, “Four on the Floor.” Usually the term applies to thumping dance-club bangers, but in this work, pairs of instruments work “with and against each other, until they settle their differences and combine into a shared groove,” according to the composer. Hear music with rhythmic intensity, for prepared piano, with and without electronics from Kelly Moran, and her record, Bloodroot, which is where minimalism and black metal collide. Then, listen to music from Hauschka, who layers player piano with prepared piano. Also, listen to Inuit-style breathing games from Meredith Monk and cellist/vocalist Robert Een, from her long-form work, "F...