The last time Rachael Yamagata came to San Diego, she was crammed into a mixed bill that didn't even come close to highlighting her amazing voice and talent. Fast-forward several years, and the music business is in a completely different place. Without a label, Yamagata holed up in a house converted into a recording studio, slept in a tent and assembled her "dream team" to self-produce her latest, Chesapeake. There's a tone in the record of maturity, coming to peace with your life and taking control of your own destiny. Yamagata is doing all of these things, and on Sunday night at the Casbah, you'll experience the power of that feeling right along with her.