Answer: The correct answer is : Third standard move
Explanation: The third standard movement in the classical four movement symphony is the minuet and trio. The first to regularly employ this movement was Johann Stamitz. The third movement of a symphony is like a dance either a minuet that is based on the old court dance or a scherzo.
The A minor chord i7 is the A min 7 chord, and contains the notes A, C, E, and G. This tonic 7th chords root / starting note is the 1st note (or scale degree) of the A natural minor scale. The roman numeral for number 1 is 'i', and is used to indicate this is the 1st chord in the scale.