Opening the concert will be Tripform, an electronic-music act featuring Pablo Manzarek, son of late Doors keyboardist Ray Manzarek. Robby’s group, meanwhile, features his own son, Waylon, on lead ...

Robby Krieger danced his way onto the stage Sunday to James Brown’s “Papa’s Got a Brand New Bag,” stopping to do a little jig in his star-spangled, red, white and blue trousers as the crowd of classic ...