America’s Lost Band,” about the legendary 1960s rock band The Remains, will screen on CPTV on April 7 and stream on related websites starting April 8.

First-time nominees Chubby Checker, Joe Cocker and Bad Company will also be inducted into the Rock & Roll Hall of Fame.

In his song “At the Rat,” about the Kenmore Square underground rock club, another legend of that scene, Willie “Loco” Alexander intones “Boston rock ‘n’ roll started right here with ...