The Lizards

The Man Who Stepped into Yesterday (often abbreviated as TMWSIY) is a 1988 concept album written by Trey Anastasio, the guitarist and lead vocalist of the American rock band Phish, as his senior thesis while attending Goddard College. Completed in July 1988, the thesis included an essay piece and collection of songs (recorded by Phish) relating an epic tale from the band's fictional land of Gamehendge.