The last time we checked in with onetime Red House Painter Mark Kozelek he was covering Hüsker Dü's "Celebrated Summer" under his own name. He's re-affixed monikers for Admiral Fell Promises, Sun Kil Moon's fourth collection, the third of original material. As far as firsts, it's the only one to date that's completely acoustic, just Kozelek and a nylon string ...