The Southern Residents will play at the Errington Hall for the first time on Sept. 6, as part of the Salish Coast Music Festival. The group may be relatively new, but it’s made up of seasoned musicians and its first album, Folk Signals, was nominated for a Juno Award this year for Traditional Roots Album of the Year. The album — also nominated for a Canadian Folk Music Award, was principal songwriter Tom Taylor’s first foray into bluegrass music…