▁career , ▁C elt ic ▁fiddle ▁became ▁Dra heim ' s ▁major ▁focus . ▁ ▁While ▁Dra heim ▁was ▁primarily ▁a ▁f idd ler , ▁she ▁never ▁lost ▁touch ▁with ▁her ▁classical ▁training , ▁and ▁was ▁a ▁member ▁of ▁the ▁Ber keley ▁Sym phony ▁Orchestra ▁and ▁the ▁Bay ▁Area ▁Women ' s ▁Phil harm onic ▁as ▁well ▁as ▁U C ▁Ber keley ' s ▁University ▁Chamber ▁Ch orus ; ▁Dra heim , ▁along ▁with ▁f idd ler ▁Ker ry ▁Parker , ▁also ▁" aug ment ed " ▁the ▁har p ▁tri o ▁" Tr ill ium ". ▁ ▁She ▁also ▁played ▁in ▁the ▁US ▁premi ere ▁of ▁Frank ▁Z appa ' s ▁experimental ▁orch est ral ▁piece ▁A ▁Z appa ▁Aff air . ▁She ▁was ▁described ▁by ▁G ael ▁Al cock , ▁cell ist / compos er ▁with ▁whom ▁she ▁performed ▁one ▁of ▁Al cock ' s ▁pieces , ▁as ▁" f idd ler ▁extra ord inaire ". ▁ ▁Late ▁ 1 9 6 0 s ▁to ▁early ▁ 1 9 7 0 s ▁in ▁the ▁US ▁In ▁the ▁late ▁ 1 9 6 0 s , ▁Dra heim ▁moved ▁to ▁a ▁North ▁Oak land ▁house ▁well ▁known ▁in ▁the ▁Bay ▁Area ▁music ▁community ▁and ▁called ▁simply ▁" Col by ▁Street ". ▁This ▁move ▁proved ▁to ▁be ▁a ▁decis ive ▁one ▁in ▁terms ▁of ▁her ▁musical ▁career ▁as ▁it ▁was ▁where ▁she ▁changed ▁from ▁a ▁" vi olin ist " ▁into ▁a ▁" f idd ler ". ▁In ▁writing ▁her ▁short ▁bi ography