“Walk This Road” — with the always-welcome addition of Mavis Staples — is a horn-and-slide-guitar slice of bluesy, wailing rock that’s also a celebration of a band that has endured ...

There’s a chance it may have been the fictional character Mavis Beacon, a made-up entity from the popular education software game Mavis Beacon Teaches Typing released in 1987. Despite the fervor ...