When I was last in Hawaii I was introduced the music of Jake Shimabukuro, a virtuoso of the ukelele. His music is astounding and he will perform in Springfield Tuesday evening.
The State Journal-Register has a lengthy article about the concert and Shimabukuro.
I haven't seen him perform, but I have two of his CDs and highly recommend his music. If you can go, I think you should. Here's one of my favorite pieces he plays: