Grant Wood's "American Gothic", is an example of which art movement?

It is an example of the rural art movement.

Explanation:

As the English began to see a lot of modern art forms, they had began to spring backwards and go for a more rural look on art.

he played a solid-body guitar

explanation:

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)