What is commercial music

Ineed some on finding music. i have a nephew who is into rap, but when i find a rap song, it seems to either be too old for his taste or to him it isn't good enough. can someone suggest some good music for me to see if he likes it or not?

One art critic referred to painters in the fauvism movement as "wild beasts". where did that title come from? what were some of the characteristics of fauvism?

The "untying of the plot" or the resolution of the play is the?