This week’s PBS Feature Album is Opelousafried by Melbourne’s swamp-blues powerhouse Opelousas.Opelousafried showcases an evolution in the interplay between Kerri Simpson’s visceral vocals and powerfully raw guitar, Anthony “Shorty” Shortte’s hypnotic grooves and swamp-soaked percussion andAlison Ferrier’s menacing electric guitar, keening amplified fiddle and sultry vocal