I'm glad Neil didn't erase the recordings. Sometimes bands have gems that stay in the vault for a long time. I remember reading about Nirvana's "You know you're right" years before it was released. I still remember the excitement I felt when it turned out the recording was real. Audioslave is another band that apparently has some good stuff in their vault. What was going to be the first single off of Revelations was shelved after their drummer decided he didn't like the track - but everyone else apparently loved it. Hopefully one day that sees the light of day.