Josh (who we don't see in the video) is turning 18, and Grandma & Grandpa are so proud of their little grandson that they wrote, composed, performed, and produced "The 18 Year Old Blues" for Josh's birthday. This is just awesome!

Now, the performance may not make the next American Idol, but it's definitely full of funny! Not to mention, I remember being 18... I bet Josh was mortified!