Veteran music business attorney Peter Paterno’s client list is dazzling enough — Dr. Dre, the Tupac Shakur estate, Metallica, Van Morrison, Blink-182, Twenty One Pilots, Skrillex, Tyler the Creator, Q Tip, Rage Against the Machine, Alice in Chains, Linda Ronstadt, Roddy Ricch, Sia, the Henry Mancini Estate, Shirley Manson, Alanis Morissette, Tori Amos and many others over the course of a 40-something year career. Yet what’s not revealed in that list are some of the pivotal journeys he’s been on with them — sure, plenty of label contracts and every variety of deal, but also working as a young Prince’s first major music-industry attorney; representing Metallica as they (rather unsubtley) attempted…