Four new tracks have been released on Xbox Live for Rock Band today reports Major Nelson. The tracks which include "Hammerhead" from The Offspring will also be released this Thursday for PSN.

Here is everything you need to know about each track.

Content: "Rock ’n’ Roll Dream" - Crooked X
Price: 80 Microsoft Points
Availability: Not available in Asia, Australia, and New Zealand

Content: "Critical Acclaim" - Avenged Sevenfold
Price: 160 Microsoft Points
Availability: Not available in Asia, Australia, and New Zealand

Content: "Afterlife" - Avenged Sevenfold
Price: 160 Microsoft Points
Availability: Not available in Asia, Australia, and New Zealand

Content: "Hammerhead" - The Offspring
Price: 160 Microsoft Points
Availability: Not available in Asia, Australia, and New Zealand