Added the models in homepage app

drewidquival_music/homepage/models.py

 from django.db import models
+from django.urls import reverse
 
-# Create your models here.
+
+class Artist(models.Model):
+    artist_name = models.CharField(max_length=50, unique=True)
+    monthly_listeners = models.IntegerField()
+
+    def __str__(self):
+        return '{} | {} monthly listeners'.format(self.artist_name, self.monthly_listeners)
+
+    def get_absolute_url(self):
+        return reverse('subject_detail', args=[str(self.artist_name)])
+
+
+class Album(models.Model):
+    album_name = models.CharField(max_length=50, unique=True)
+    artist = models.CharField(max_length=50)
+    description = models.CharField(max_length=500)
+    release_date = models.CharField(max_length=50)
+
+    def __str__(self):
+        return '{} by {} | {} | Released in {}'.format(self.album_name, self.artist, self.description,
+                                                       self.release_date)
+
+    def get_absolute_url(self):
+        return reverse('subject_detail', args=[str(self.album_name)])
+
+
+class Song(models.Model):
+    song_title = models.CharField(max_length=50, unique=True)
+    album = models.CharField(max_length=50)
+    artist = models.CharField(max_length=500)
+    song_length = models.IntegerField()
+
+    def __str__(self):
+        return '{} by {} | {} | Released in {}'.format(self.song_title, self.artist, self.album,
+                                                       self.song_length)
+
+    def get_absolute_url(self):
+        return reverse('subject_detail', args=[str(self.song_title)])