Happy Apple, an American jazz trio from Minneapolis, Minnesota, was formed in 1996 by David King on drums, Michael Lewis and Anton Denner on saxophone, and Cully Swansen on bass. In 1998, Erik Fratzke replaced Swansen as the bassist. The group was known for its improvisational style and genre-blending music. Happy Apple's debut album Blown Shockwaves & Crash Flow was released in 1997. Their subsequent albums include Youth Oriented (2003), which received critical acclaim for its edgy appeal and dynamic rhythm, The Peace Between Our Companies (2005) and Happy Apple Back on Top (2007).