Write 5 facts here about how Techno evolved?

Use of the term "techno" to refer to a type of electronic music originated in Germany in the early 1980s. ... Detroit techno resulted from the melding of synthpop by artists such as Kraftwerk, Giorgio Moroder and Yellow Magic Orchestra with African American styles such as house, electro, and funk.

b.) a 3-d model

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."