Question

Which musical form is often the third movement of string quartets and classical symphonies

Answer 1

I believe it is a Minuet and Trio.

Answer 2

The standard structure for a string quartet is four movements, with the 1st movement in Sonata form, Allegro, in the tonic key; 2nd movement is a slow movement, in thesubdominant key; 3rd movement is a Minuet and Trio, in the tonic key; and the 4th movement is often in Rondo form or Sonata rondo form, in the tonic key.