How To Get Better Sound on YouTube

The answer, in this case, is simple: Maximize the video quality

Epic Split

https://www.youtube.com/results?search_query=Epic+Split

Best 30 Second Youtube Clips

http://www.youtube.com/results?search_query=Best+30+Second+Youtube+Clips

35 Mind Numbing

http://www.jeffbullas.com/2012/05/23/35-mind-numbing-youtube-facts-figures-and-statistics-infographic/

Mojo

https://www.youtube.com/user/WatchMojo/about

And

http://youtubeand.com/

Partner Program / Examples

http://www.youtube.com/t/partnerships_faq
http://sify.com/news/oz-girl-earning-100k-a-year-from-youtube-ads-news-scitech-kiwqEdgeceb.html

10 Different Ways To Browse

http://www.makeuseof.com/tag/10-ways-browse-watch-enjoy-youtube-videos/

Trends / Blog

http://www.huffingtonpost.com/news/youtube-trends
http://youtube-trends.blogspot.com/

Buzz Feed Video

http://www.youtube.com/user/BuzzFeedVideo?feature=watch

Statistics / Research

http://www.socialbakers.com/youtube-statistics/ 
http://www.viralblog.com/research/youtube-statistics/