1988's acclaimed Now And Zen finds Plant both embracing Zeppelin-esque thunder into his songs and boldly charting new musical territory. Again. Marking his first collaboration with keyboardist Phil Johnstone, the album's classic tracks include "Heaven Knows," "Ship Of Fools," and Plant's Top 40 smash "Tall Cool One," featuring a memorable guitar cameo from Jimmy Page. Three bonus rarities include live versions of "Tall Cool One," "Billy's Revenge," and "Ship of Fools."