Joseph Quinn made one of his dreams come true at this year’s Lollapalooza in Chicago, after meeting with Metallica and engaging in an epic jam session backstage at the highly anticipated music festival just hours before their performance.The fan-favorite band had a conversation with the British actor playing Eddie in the popular Netflix series ‘Stranger Things,’ as fans remember his character’s obsession with the band and the 1986’s hit song ‘Master of Puppets.’Metallica frontman James Hetfield revealed to the actor that he watches the sci-fi series with his kids, so he truly enjoyed meeting Quinn. “I’m a big fan.