Outside of beer, coffee, and the occasional naked bicyclist, nothing embodies Portland’s self-reliant creative streak like its ever-burgeoning rock scene. Always at a steady simmer of boundary-bending, on-the-verge bands, but never likely to boil over into a major-label chum pool, indie rock in the Rose City is a world in which “success” is something you achieve on your own terms. This through-line of self-sustainability has had many manifestations, but almost all of them can be tra...