What north american region produced iconic musicians elvis presley and johnny cash, as well as race?

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"

Cwealthy young people listening to music under orange tree

Ihave no idea what are some of the examples