Pros:

Music works flawlessly with stock maps
-integrates with custom maps flawlessly

Cons:

If you aren't an Avenged Sevenfold fan. Don't download this.

Conclusion:

Does exactly what it says on the tin. 
The choice of song for the different area was very clever and it is obvious that the creator took care to sample the correct lyrical content and or sound byte for the different assets. 
Bravo