For some reason, the concept of Philadelphia-rap music makes me feel cold all over(sans the jovially-neon Fresh Prince–though even he departed for sunny Bel-Air). Perhaps it’s the town’s deeply-rooted Protestant work ethic or maybe it’s a manifestation of populist pride against New York City’s glitz, but in a genre that revels in showcasing the ascension from poverty to posh, guys like Freeway, Beanie Sigel and Black Thought have always given off the impression that they’re proud to remain scrappy. Certainly no exception to said-zeitgeist is Reef the Lost Cauze whose latest offering, Fight Music, hears the Philly-MC clawing through producer, Guns-n-Butter’s murky beats with domineering confidence. However, as frosty as Reef’s lyrical right-hooks are, he warmly shines some light upon his hometown as well as things that make him laugh and …