An obscure 60's Phoenix based psychedelic band, Twentieth Century Zoo released the psyche masterpiece "Thunder on a Clear Day" in 1968 at the height of the psychedelic movement. Aided by Phoenix DJ Tony Evans, the band became quite popular on the local circuit and opened shows for national acts like Blue Cheer, the Byrds and Canned Heat. Original vinyl copies of "Thunder on a Clear Day" fetch high dollar on the rare psyche market - featured here is the original album, finally available in the digital domain, newly remastered.