It's a wiki for all the devices and tropes used in popular media. They have entire pages dedicated to analyzing all of your favorite books, movies, TV shows, video games and music.

Even your fave pop girls have pages!

http://tvtropes.org/pmwiki/pmwiki.php/Music/TaylorSwift

http://tvtropes.org/pmwiki/pmwiki.php/Music/Beyonce

http://tvtropes.org/pmwiki/pmwiki.php/Music/LadyGaga

http://tvtropes.org/pmwiki/pmwiki.php/Music/Rihanna

http://tvtropes.org/pmwiki/pmwiki.php/Music/KatyPerry

You should defo get into it if you haven't already.