Jeff Cooley is a brewer of beers and a district brewery manager for McMenamins. He’s also the drummer for Cede the Clouds, a buzzy, Portland-based punk band. It’s hard to tell exactly which of those roles he’s talking about when he describes the process of brewing a beer. Or writing a tune. Or both. “It starts with an idea, a collaboration between the band or the brewing staff,” Cooley said. “Over time, the idea is.