This is Sample Size, our weekly new music feature with KOSU's Ryan LaCroix and LOOKatOKC music critic Matt Carney. Today, Matt brings us new tunes from the supergroup of Sufjan Stevens, Bryce Dessner, Nico Muhly & James McAlister, plus Quelle Chris and Perfume Genius . Follow Matt & Ryan on Twitter at @mdotcarney & @KOSUryan .