Do you agree with the expression theory of art? Is art simply an expression of feelings? Is abstract art an expression of feelings?

Do you agree with the expression theory of art? Is art simply an expression of feelings? Is abstract art an expression of feelings?
use the book philosophy here and now by lewis vaughn link for the pdf is : file:///C:/Users/admin/Downloads/Philosophy%20Here%20and%20Now%20Powerful%20Ideas%20in%20Everyday%20Life%20by%20Lewis%20Vaughn%20(z-lib.org).pdf