What are the best tags for YouTube?

When you add tags to your YouTube video, make sure to use as many tags that can appropriately identify your video. So, if your video is about Monkeys Singing a Song, make sure to include the name of the song in your tags, the general category (music), and any other tags that you can think of for your video (like monkey). Think about what people on YouTube might search for, which is what you want to tag your videos with. If you're searching for videos, just search for the video title you want to find and you should be able to find what you want to see.