This is completely random, but we watched this in homework club, and I thought I would post it. He starts playing about 2:30 through the video. Prepare to amazed!
“Crazy G is a bit of a ukulele speed test. The idea is to repeat the final section faster and faster until either you’re playing faster than anyone has in history or your arm falls off. Obviously, Jake Shimabukuro wins at ukulele.”(from Ukulelehunt)