Gravity Tree is an experimental, progressive rock duo hailing from the San Francisco Bay Area of California. The duo's releases include the albums "Life or Dessert?" and "Ultimate Backward"; and appearances on several compilation CDs, including the notable Bay Prog disc.

Critic have said: "Gravity Tree is one of the more interesting progressive bands around... their material bears a stamp of currency, yet also features the conceptual ideals of classic progressive rock." (Exposé Magazine), and "...a duo who definitely punches a hole through the more established forms of Prog and creates their own sound." (USA Progressive Music).

Gravity Tree is at work on a new album for release in 2009.