He can’t play all of his 29 hit singles spread out over 17 gold albums from 1957 to 2011, but damn if Johnny Rivers, 72, isn’t an American Original. If you remember such songs as his “Memphis” Chuck Berry cover, “Mountain Of Love,” “The Seventh Son,” “Poor Side Of Town” (the #1 song in America for a few weeks in November of 1966), Motown cover “Baby, I Need Your Lovin’” (The Four Tops), “Summer Rain” and, of course, “Secret Agent Man” (written by the mysterious PF Sloan), you’ll dig his bare-bones garage set at the State Theatre in Easton, PA Nov. 13.