"who happened to have an accordion as one of their instruments"


....may have been true of the Oysterband gig Clueless Don attended, but rather overlooks the fact that their origins were as a ceilidh band and you will find the Uillean pipes, Northumbrian pipes and fiddles in their line-ups, and traditional songs and influences dotted all round their repertoire

   Not sure if they were doing it in the 70s, but certainly in the 80s the Doonan Family Band - Geordie/Irish - were brilliant at turning folk into rock and vice versa (Black Velvet Band and Bring It All Home, respectively, being great examples)

   Having recently trawled YouTube for different versions of Who Knows Where the Time Goes? for a piece at Salut! Live I find myself agreeing with those who nominate early Fairport (and Steeleye) as pretty much untouchable, good as many of the others were