A fiddle reminds me of Mr Edwards from Little House on the Prairie.
As a noun: The lead singer of the group played the fiddle as good as he sang. As a verb: I can fiddle if you can play the guitar. Or: If you fiddle with that remote control one more time, you'll go to your room.
The predicate in the sentence is "sang softly to her," which is describing the action (sang) that the subject (the fiddle) is performing.
As fit as a fiddle means to be in very good health.
As fit as a fiddle means to be in very good health.
She may be in her seventies, but she's as fit as a fiddle and can still keep up with people half her age on the hiking trails.
You are fit and healthy!
Fit as a Fiddle - in good health; in fine shapeorigin: This expression dates from at least the 1600s. A fiddle that is fit is well-tuned and in good shape and can play terrific What_is_the_origin_of_the_idiom_'fit_as_a_fiddle'. So , it was combined wth the word 'fit' to become an alliteration.
In good physical health
Yes, for example: After a while Jim became restless and began to fiddle with objects on the desk.
Fiddle.
As fit as a fiddle.
As fit as a fiddle