Can anyone help me with art?

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?

Atypical scale usually consists of one of pitches. 1. rhythm 2. octave 3. key 4. series

3christians adapted the roman basilica and used it for public worship. where in their churches did they place the altar?