Jon & Marsha Zazula start Megaforce Records with $180 and Manowar sign their contract in blood.

Jon Zazula Interview-New Memoirs 'Heavy Tales'-Talks how Metallica got signed- & Anthrax(Jonny Z)

Eddie Trunk Discusses Jon Zazula & Metallica Early Days

The Definitive Story of How Metallica Got Signed | Jonny Z

The NYHC Chronicles LIVE! Ep. #124 Jon Zazula (Megaforce Records / Author)

Metallica hará un concierto en homenaje a Jon y Marsha Zazula

Jon Zazula predicted this metal band would be huge. Who were they? Was he right?