By Amrit Singh On record, Port O'Brien shift between two modes: the folk, and the rock. Occasionally, yes, it comes together into the hyphenated hybrid used to describe most bands wielding high BPMs and acoustic guitars, but the band's finest upbeat excursion -- should-be-Hype-Machine-#1 jam "I Woke Up Today" -- eschews standard folk-rock for a distinct, ramshackle churn. It's a ...