Done

app/models/artist.rb

@@ -3,14 +3,14 @@ class Artist < ActiveRecord::Base
   has_many :genres, through: :songs
 
   def get_genre_of_first_song
-    #return the genre of the artist's first saved song
+    self.songs.first.genre
   end
 
   def song_count
-    #return the number of songs associated with the artist
+    self.songs.count
   end
 
   def genre_count
-    #return the number of genres associated with the artist
+    self.genres.count
   end
 end

app/models/genre.rb

@@ -3,14 +3,14 @@ class Genre < ActiveRecord::Base
   has_many :artists, through: :songs
 
   def song_count
-    # return the number of songs in a genre
+    self.songs.count
   end
 
   def artist_count
-    # return the number of artists associated with the genre
+    self.artists.count
   end
 
   def all_artist_names
-    # return an array of strings containing every musician's name
+    self.artists.collect {|a| a.name}
   end
 end

app/models/song.rb

@@ -3,9 +3,10 @@ class Song < ActiveRecord::Base
   belongs_to :genre
 
   def get_genre_name
+    self.genre.name
   end
 
   def drake_made_this
-    # when this method is called it should assign the song's artist to Drake
+    self.artist = Artist.find_or_create_by(name: "Drake")
   end
-end
+end