In not 100% sure but is it true?
Answer:
"We tend to talk about Cuban, Peruvian, and flamenco cajons as if they evolved at the same place, at the same time."
Explanation: (BTW not mine but I hope this helps you but if not and want me to explain more I got you)
Answer:
Medieval music includes solely vocal music, such as Gregorian chant and choral music (music for a group of singers), solely instrumental music, and music that uses both voices and instruments (typically with the instruments accompanying the voices). Gregorian chant was sung by monks during Catholic Mass.
Explanation: its in the answer
You would want to mix he dark one first so that you can slowly put lighter color I'm so you know how much to put in