Really set up DatabaseCleaner
Remove only users after 'bad username' spec
Create Genre resource
Change 'Artists' to 'Genres' in navigation menu
Create list of genres
Fix headings and remove links
Add description to genres page
Create Artist resource
Connect artists with genres
Display list of artists
Create Album resource
Create list of albums
Create awesome Song resource
Save artist automatically if album exists on song
Create list of songs on albums and artists
Remove possibility to specify album on Songs#index

Actually, this functionality didn't make any sense. When we want to view all of
the songs from a single album, we visit the Albums#show view.

Why the hell did I make this possible!?