From a Tribute Band to the Real Thing: How Mike DelGuidice Became Billy Joel’s Right Hand Piano Man

It’s a Monday night at New York’s Madison Square Garden and Billy Joel is on stage for his record 44th consecutive show. As the legendary singer-songwriter rips through hits, from the rambling history lesson of a show opener “We Didn’t Start the Fire” to the multiple-songs-within-a-song “Scenes from an Italian Restaurant,” his band slickly keeps up with every beat and …