The closest thing that I can say among all of these answers would be improvisation. The definition of improvising is adapting to the situation in a better manner appropriately. So let's say when a musician is already on stage and makes a mistake while playing the guitar, he has to improvise a bit so that his mistake will not look like one. He is spontaneously creating something while he is on the spot. In a sense, he is improvising his original work and making something somewhat different.
Answer: Easy!
G. F. Handel and J. S. Bach
Explanation:
I am pretty sure that<span> the following which signifies a return to music that has been played before is the second option from the scale represented above : </span><span>B.Da capo sign. I choose this one because it has meaning "from the beginning'' which nicely coincides with the statement in the question.
Do hope it helps!
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(A) its true they were originally invented during this time.