The idea which was introduced in paragraph 1 of the excerpt from The Piano Shop on the Left Bank is
A piano is a keyboard musical instrument, usually ranging over seven octaves, with white and black keys, played by pressing these keys, causing hammers to strike strings.
The idea from the excerpt is the power of perceptive insight gained by the use of this faculty or sense of reasoning.
Therefore, the correct answer is option A
Learn more about an excerpt:
https://brainly.com/question/21400963
