Listening to Van Morrison

'Van Morrison,' says Greil Marcus, 'remains a singer who can be compared to no other in the history of modern popular music.' When Astral Weeks was released in 1968, it was largely ignored. When it was re-released as a live album in 2009 it reached the top of the Billboard charts, a first for any Van Morrison recording. The wild swings in the music, mirroring the swings in Morr...