Fly By Night is a stage musical written by Will Connolly, Michael Mitnick, and Kim Rosenstock, and conceived by Kim Rosenstock.The show was first developed and presented by Yale Summer Cabaret in 2009, and had a workshop at The American Musical Theatre Project at Northwestern University in 2011. It opened Off-Broadway on May 16, 2014 in the Playwrights Horizons Mainstage Theater, where it ran until June 29. The production was directed by Carolyn Cantor.