 Jack lived in NYC from 1976 thru 1985 initially trying to break into session work but began focusing on his own band.In the late 1970s, Sonni's band The Leisure Class had become a Monday night fixture at Kenny's Castaways on Bleecker Street in Greenwich Village, the place for up and coming acts.In the fall of 1977, Jack went to work at Alex Music on 48th Street in Manhattan.