Answer the following question: What key details about jeff johnson -lrb- bass player -rrb- can be extracted from the following bio? Bio: born in minneapolis -lrb- december 12 , 1954 -rrb- , jeff johnson -lrb- '' free '' to some of his colleagues -rrb- left at age 20 , spending time in philadelphia and new york , and has worked with jazz musicians including philly joe jones , charlie rouse , barney kessel , chet baker , lew tabackin , eddie daniels , joanne brackeen , julian priester , billy hart , george cables , bud shank , claudio roditti , and michael wolfe . vocalists who have been accompanied by johnson include jay clayton , ernestine anderson , karrin allyson , mark murphy , rebecca parris , annie ross and marlena shaw . johnson met jessica williams in seattle in 1991 and hal galper at the port townsend festival in 1993 . he now leads various small ensembles , composes , goes on the road frequently and is involved in numerous projects , and recording dates around the world .
Answer:
- instrument is bass- years active is 1971 - present- birth name is jeff johnson- origin is minneapolis , minnesota- genre is jazz- name is jeff johnson- background is non_vocal_instrumentalist- website is http://www.jazzbassist.com