In a bid to out-cool Apple, Microsoft approached the ultra-snarky Pitchfork blog about supplying content to its Zune digital music player - but was rebuffed by the music hipster haven, The Post has learned. The talks with Pitchfork - a blog that has arguably supplanted Rolling Stone and Blender as the go-to place to learn about new music - were aimed at both giving Microsoft some indie credibility and taking advantage of the Zune's wi-fi capabilities by allowing users to zap reviews and other site content to each other, sources said. Unfortunately for Microsoft, Pitchfork didn't bite. . . ....