Under the name Old Bricks, Carrboro songwriter Stuart Edwards and Raleigh guitarist Andy Holmes have made music for just more than a year. But if the mix of fragile sway, survivalist spirit and thoughtful textures on their self-released debut LP, Farmers, sounds much too developed and assured for such a new duo, a confession is in order: Holmes and Edwards grew up together in Rocky Mount, N.C. They grew to know each other after Edwards moved to Nashville, Tenn.