Music Friday: "Master of Puppets"

I've noticed that Metallica has become trendy because of the latest season of Stranger Things using one of its songs. 

If I remember right, I'm still stalled in season 3 in that series, so I haven't gotten to the season that made Metallica and Kate Bush popular among the youths. 

Regardless of popularity, when I think of Metallica, here's one of a handful of songs that immediately comes to mind.