It is pretty well known that “The Fantasticks” is the longest-running Off-Broadway musical in history, with its original production running from May 3, 1960 through Jan. 13, 2002, turning in an amazing 17,162 performances, even before revivals. But what Off-Broadway musical had the second longest run? “I Love You, You’re Perfect, Now Change.”

It opened on Aug. 1, 1996 and didn’t close until July 27, 2008, racking up 5,003 performances.