1. The last of Crosby, Stills & Nash to receive his own multi-disc career retrospective, Stephen Stills is rewarded for his long wait with Carry on, the best of these box sets.Spanning four discs -- one CD longer than the either the 2006 David Crosby or 2009 Graham Nash boxes -- Carry on follows a pattern familiar from those Crosby and Nash sets, balancing unreleased material with all the big