John Gustafson is the second most important bassist ever to come out of Liverpool. That sounds significant, and it is, but it still leaves him in the long shadow of Paul McCartney, however, a fact that helped eclipse some of the perceived worth of his earliest professional and recorded work. Gustafson, born in Liverpool to parents of Swedish and Irish descent, actually had a jump on McCartney in the early days of the local Merseybeat boom -- his band, the Big Three (which also included Johnny Hutchinson and Brian Griffiths), was the one that everyone in Liverpool figured would...