I wouldn't count on it, but it's a possibility. I really want Real American or the nWo theme in there. They've said in interviews that they've got all the licensed music in the game. But of course, THQ has broken promises in the past. But who all has "real" music now? The Dudley Boyz, RVD, Stacy Keibler, Booker T (sorta), Chris Benoit (but I'm pretty sure the WWE has full rights to the song), Kane, and Ric Flair. Out of those, the Dudleyz will probably have Spikes theme instead of Bombshell, Stacy almost definitely will not have the Kid Rock version of Legs, and Flair will likely use Evolution's music. RVD's music is very iffy, but Kane's is more likely to be his Finger 11 theme since Legend Kane will use the old music. But keep in mind, I don't know anything and that's just my speculation. But here's a question, in the pic with the theme music, why is Chris Benoit's theme locked? Hmmmm...
EDIT
Matz, I wouldn't count on CAWs having voices at all.
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If you watch Kane's entrance video, his Finger 11 version is finally in. I also read that RVD's music is back in tact.