What are the similarities between troubadours and todays singers?

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?

The post-impression period covered the years 1880 to_

What types of visual art mediums are heavily based on observation?