 Another key collaborator was producer Tony Visconti, who went on to produce the band's albums well into their second, glam rock phase.During 1968–1969, Tyrannosaurus Rex had become a modest success on radio and on record, and they released three albums, the third of which, "Unicorn", came within striking distance of the UK Top 10 Albums.While Bolan's early solo material was rock and roll-influenced pop music, by now he was writing dramatic and baroque songs with lush melodies and surreal lyrics filled with Greek and Persian mythology as well as poetic creations of his own.