Sound the Nirvana fan club alarm: Unreleased Nirvana material has appeared online. One eBay user purchased a seven-song real of unreleased demos from a February 15, 1993 session and put it online. It could possibly be from In Utero sessions and was recorded in Pachyderm Studios. Hear two version of 'Dumb' and three versions of 'Marigold' below.