The films of Rob Reiner (up to and including A Few Good Men, the rest don’t exist)
The Beatles (yawn
, maybe make it more interesting by making it more specific, their guitars or something (I would need to bone up a bit though))
Spoon (the band)
Feel like I need a literature one - maybe the Ripley novels, but I’ve not even read them all
I would do really badly on Mastermind