John & Jen (styled as john & jen) is a musical with music by Andrew Lippa, lyrics by Tom Greenwald, and a book by Lippa and Greenwald. It is a two-person show about the relationships first between a brother and sister, John and Jen, and then, after John is killed, between Jen and her son, also named John. The musical opened Off-Broadway in 1995 and was revived Off-Broadway in 2015.