Sean Brock might be just as consumed with vintage Southern-flavored vinyl as he is with interpreting the original flavors of the American South. In his one-year-old West Hollywood restaurant Darling, a large listening bar is centered in the middle of the airy room, the plywood shelves filled with rarities from Dolly Parton to Merle Haggard…and sometimes a touch of Madonna. The James Beard-award winning chef has been featured on Netflix’s “Chef’s Table” and was a host on PBS’ “Mind of a Chef,”