Singer-guitarist Neil Young is the guy who keeps this trio rockin' in the free world. Without his fierce guitar riffs and raspy vocals, the band loses something. That's not to say they aren't consummate singers. David Crosby, Graham Nash and Stephen Stills can all really sing and harmonize like nobody else. They're all in the Rock and Roll Hall of Fame and Museum, after all. They haven't put out a new studio album since 1999's Looking Forward, a reunion of sorts with Young, so expect o hear a greatest hits set tonight. (Niesel)