Why are there so few rap cover songs?

What makes hip hop un-coverable? Why don't rappers ever cover other rappers?
The first 1000 people click this link will get a free trial of Skillshare Premium Membership!
https://skl.sh/adamneely09201

Watch this video without ads over at my streaming service Nebula!
https://watchnebula.com/videos/adam-n...

Ethan Hein's blog:
http://www.ethanhein.com/wp/

More sources:
https://docs.google.com/document/d/13...

(⌐■_■)

⦿ Adam Neely T-shirts! ⦿
https://teespring.com/stores/adam-nee...

⦿ SUPPORT ME ON PATREON ⦿
  / adamneely  

⦿ FOLLOW ME ON THE INTERNETS ⦿
  / adamneely  
  / its_adamneely  

⦿ Check out some of my music ⦿
http://sungazermusic.bandcamp.com
http://insideoutsidemusic.bandcamp.com
http://adamneelymusic.bandcamp.com

Peace,
Adam