The instrument described is a clavichord.
Although not very popular nowadays, it was important between the 15th and the 19th century. In popular music, variations of it can be found in songs by artists such as Stevie Wonder and Bjork, but they mostly used the electric version of the instrument.
Answer: Polyphony
Explanation: Polyphony is when multiple melodic lines are simultaneously playing.
Answer:that is going to be very hard to do
Explanation:
Trying to find all of the small, and different pieces that would fit together in a beautiful way.