One Eyed Jack was started in 1973 by brothers Martin & Bill Francisco when they were in their mid teens Anthony M. on Bass. and Jeff D. Played guitar with Rick L on vocals. and were called Majestic. About a year later Ron Ponzillo took over the controls of the four string, John K replaced Jeff D and they were called Cypress Core. The band played parties and local bars through the 80's while changing vocalist from Bill S,Rick l to Tom L and Ronnie B They took a short break. then returned in late 1988 minus their singer with Bill at lead vocals .In the early nineties they changed their name to One Eyed Jack. In 1996 Sara B took over as the lead vocalist. In 1998 they made demo. The Bands current line up is Martin ,John Ron and Bill and they are still rockn today. MKF One Eyed Jack was also a band that formed out of the ashes of early 90s Buffalo, New York math rock band Spavid.