If pop music geniuses Phil Spector and Brian Wilson got together on a warm summer night and made sweet, passionate, chemically imbalanced love, the product of their union would surely be Jason Brewer, the big kahuna of the Explorers Club. Last year, Brewer and the boys released Freedom Wind, the best album the Beach Boys never made. And while Brewer sings about losing his head on the disc, he’s a man with a clear plan — to bring harmony and melody back to pop music.