Late last week, That VideoGame Blog reported that a trusted source from Activision told them that the company's been working on licensing music for the unannounced and unnamed Call of Duty 7. While no details were divulged, the music licensing has been focused on "Vietnam-era tunes, as well as Cuban, African, and Soviet Union music."

Does that mean the next Call of Duty will head to the hot and violent jungles of the Vietnam War? Given that most game developers eventually run out of ideas within WWII history, it's a possibility, we'll let you know if it becomes fact.

Call of Duty: World at War

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 1 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 2 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 3 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 4 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 5 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 6 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 7 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 8 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 9 of 21)

    The Call of Duty series makes its triumphant return, returning to the World War II era. (Screenshot 10 of 21)