What key details about the prime movers -lrb- michigan band -rrb- can be extracted from the following bio? Bio: the prime movers were a blues band based in the ann arbor , michigan , formed in 1965 . the band originally consisted of michael erlewine -lrb- lead singer , harmonica -rrb- , dan erlewine -lrb- lead guitar -rrb- , robert sheff -lrb- keyboards -rrb- , robert vinopal -lrb- bass -rrb- , and michael '' spider '' wynn -lrb- drums -rrb- . vinopal left soon after the band 's formation and was replaced by jack dawson . wynn left a short time later and was replaced by james osterberg , who would later become famous as iggy pop . when he joined the prime movers osterberg took the name '' iggy '' , from his previous band the iguanas . the prime movers played throughout the midwest . in 1966 , the band frequented blues clubs in chicago where they saw blues legends like little walter , magic sam , big walter horton , and many other bluesmen perform live . courted by a subsidiary of motown records who wanted to promote them as a white group playing '' black '' music , the band refused to cooperate , preferring to study and perform classic chicago-style blues than to record songs that were fed to them by motown . a consequence of this is that they were not professionally recorded . -lrb- recordings made by the band and fans surfaced years later , including a recording of iggy pop singing the muddy waters song '' i 'm a man . '' -rrb- the prime movers played a significant part in helping to host the first two ann arbor blues festivals , in 1969 and 1970 , which were the first -lrb- and largest -rrb- blues festivals -lrb- in terms of the number of great bluesman who performed -rrb- in the u.s. michael erlewine interviewed dozens of the performers , and the spirit of these early festivals carried over into the ann arbor blues & jazz festival in 1972 , 1973 , and 1974 . members of the band were also involved in the 1972 festival . as time passed , the prime movers became kind of the elder statesmen in the burgeoning ann arbor music scene , working with the younger groups , and playing with visiting artists like jerry garcia...
- years active is 1965 & ndash ; 1970- caption is prime movers at living end 1966- origin is ann arbor , michigan , united states- genre is blues , garage rock- name is the prime movers- background is group_or_band- image is primemoverslive.gif- current members is michael winn jack dawson james osterberg jesse crawford erlewine dan erlewine robert sheff robert vinopal spider- associated acts is the stooges , the iguanas , iggy pop