Pat Metheny: 6 and 12-string electric and acoustic guitars / Lyle Mays: Piano, Oberheim synthesizer, autoharp, electric organ / Mark Egan: Electric bass / Dan Gottlieb: Drums
In 1977, bassist Mark Egan joined Metheny, Mays, and Gottlieb to form the Pat Metheny Group. They released the self-titled album – Pat Metheny Group – in 1978 on the ECM label, which featured several songs co-written by Metheny and Mays.