Feist, Beth Ditto, Frankie Cosmos, Rostam, More Hosts Bob Boilen and Robin Hilton are joined by NPR Music's Lars Gotrich to share the week's best new music, including another cut from Sufjan Stevens' Planetarium collaboration and Feist: 1. Sufjan Stevens, Bryce Dessner, Nico Muhly & James McAlister: "Mercury," 2. Feist: "A Man Is Not His Song," 3. Rostam: "Gwan," 4. You'll Never Get To Heaven: "Rain Copy," 5. Frankie Cosmos: "Fish Bowl" (cover of a Kero Kero Bonito song), 6. Beth Ditto: "Fire"