User blog comment:Argorrath/CoD Devs confirms Extinction DLC for future/@comment-24231234-20131214223854

Musical easter eggs.

list of songs they might have for the new map.

1. Avenged Sevenfold - Carry On

2. Alice Cooper - School's Out

3. Survivor - Eye Of The Tiger

LOL!!! P.S I hope it is!?!