Here is an interesting article that explains the complexity of music rights and licensing. These apply especially to making games BC, as most of these old titles have to be re-enabled for purchase and distrubution online.
Music licensing in games: trials, tribulations, and what's next
The games and music industries have had a long and at times illustrious relationship. Early 80s arcade titles like Jour…www.gamesindustry.biz
Thanks for sharing. That was a great read. The stuff about perpetuity contracts is fascinating—I assume MS probably negotiates for those types of licensing deals when making games BC.
I assume they also negotiate a different type of perpetuity license—one that allows MS to release a game on all Xbox platform devices. (In the old days, a game was licensed for a specific platform like the 360.)
That is an added layer of complexity as well.
All in all, when you learn about how complicated all this is, it really makes it clear how much of an achievement the Xbox BC program was and is.