The ukelele is a great little instrument that is easy to learn, sounds good, and is portable. How much better could it be? They work especially well for covering pop songs, since they're very simple and catchy, which is the essence of the ukelele. This video will teach you how to play a few basic songs on ukelele:
"Somewhere Over the Rainbow"
"I Wanna Grow Old with You" by Adam Sandler
"The Breakup Song" a ukelele original