Concept: Uniqueness or strength of the subject matter or idea behind the song
Melody/Beat: The creative and aesthetic sound of the music
Lyrics: The words themselves, and how they are sung (note: if i can’t understand a fucking word i’ll judge on vocals alone, but give a lesser score – unless it’s a foreign langauge, in which case I’ll judge the vocals alone without point removal)
Chorus: How well it hooks you in or how easily it gets stuck in your head
X Factor: Initial reactions; Importance; Replay value; Overall likability/dislikability

5.0: Flawless
4.5: Elite
4.0: Great
3.5: Definitely Worth Your Time
3.0: Pretty Good/Better than Average
2.5: Average
2.0: Sub-Par
1.5: Bad
1.0: Terrible
0.5: Horrendous
0.0: Completely Unlistenable