When learning something new, often available resources are lacking in some departments - whether they're missing information, poorly written, or tedious and dry. But occasionally, some content just stands out as above and beyond the rest, serving to not only make the learning process enjoyable but also to kindle interest in further exploration. What is that for you?

This could encompass everything from computer programming to literary criticism, and could be in the form of a website, book, video tutorial, or the like.

I sometimes feel like music videos get the short stick and aren't appreciated as the unique and fascinating art form that they've become. I think a lot of us got into them back in the heyday of MTV/VH1 but they've gone far beyond that in the internet age. I'd like to invite everyone to share some of their favorites in this thread - new or old, popular or obscure, anything goes, and share as many as you like.