For music lovers, 1968 was a singular year. Psychedelia ruled. So did protest, Motown, and Johnny Cash’s twang. The Rolling Stones blasted back onto the airwaves with Beggars Banquet. The lads from Liverpool, in spite of their problems, produced one of their most legendary albums, The Beatles, while Jimi Hendrix put the finishing touches on Electric Ladyland, and the supergroup Crosby, Stills, Nash & Young got together in Laurel Canyon. In