The Pat Metheny Group is a jazz fusion band founded in 1977. The core members of the group are guitaristand bandleader Pat Metheny, composer, keyboardist and pianist Lyle Mays (who was part of the group's inceptionin 1977), and bassist and producer Steve Rodby (joined in 1980). Other long-standing members include PaulWertico who was the drummer for 18 years.