Another day, another Portland band. This one's more of a guest-laden one-man project though; Au (say the letters, pronounce the name -- Ay you) is the work of Luke Wyland, a multi-instrumental nomad who's buckled down in Oregon and begun to hone his wandering, sprawling psych-folk. On "Sum," Luke starts with bright, breezy bells and a throwaway ukulele spurt, before ...