This live version of Freedom was performed by Jimi Hendrix at the Atlanta Pop Festival in 1970. The gig is part of a new documentary named Electric Church. Jimi's full Atlanta Pop performance is also available to buy as an album too.
The actress thinks it would be tough to recast her character, Winifred Sanderson.
Beck wishes he'd had ''more fun'' when Kanye West invaded the stage in protest at his 2015 Grammy Awards win.
The Duffer Brothers wanted to "experiment a little bit".