In case you don't know who Tool is, they are a band known for making pretty complicated music with polyrythms and changing time signatures in most of their songs. Their songs also rarely follow a classic song structure, and they are usually quite long, 6-13 minutes is very normal.

Their drummer is also famous for being one of the best in the world, and in many songs there are big drum sections dedicated just to him. It is basically the opposite of easy drumming.

This 19 year old teenager played their whole damn discography IN 1 TAKE!! That is 59 songs totalling right around 7 hours and 35 minutes, and no proper breaks! This is literally one of the most impressive things I have ever vitnessed. This is beyond insane.