Whats the question?
I mean yes it was an advancement .
I'm pretty sure the speaker or narrator is the poet.
Answer:
Standard notation is written on five horizontal lines called a staff. Each line and space between the lines represents a note. The lines and spaces of staff can represent different notes based on which clef is used. ... The treble clef indicates that the lines represent E, G, B, D, and F.
Answer:
Catlin was the first artist to record the Plains Indians in their own territories.
Explanation:
The American craftsman George Catlin got intrigued with Indians in the mid 1800s and voyaged broadly all through North America so he could record them on canvas. In his compositions and works, Catlin depicted Indian life in incredible detail.