Previously: WOW 2000. I don't know if I'll ever quite get over the style evolution DC Talk went through in the relatively brief period between 1989 and 1995. In six years they went through more musical eras than most bands do in their entire careers - from golden-age-style hip-hop to rap-rock to grunge. For a secular analogy, try imagining a world where Nirvana released Nevermind, Appetite For Destruction, and Black Sunday, all before Bill…