Crossword Puzzle Fiddle around

Clue: Fiddle around

Infamous fiddler of ancient times (NERO with 4 letters)
Rock grp. once promoted as "the English guys with the big fiddles" (ELO with 3 letters)
Fiddle with, as a term paper (EMEND with 5 letters)
Certain fiddler (CRAB with 4 letters)
Matchmaker in "Fiddler" (e.g. YENTA with 5 letters)
Fancy-fiddle maker (AMATI with 5 letters)
Fiddled (TOYED with 5 letters)
Fiddler Isaac (STERN with 5 letters)
Fiddle with a fiddle (TUNE with 4 letters)
Fiddler's hangout (ROOF with 4 letters)