Twinkle Twinkle Little Star, first arrangement from the book "Learn To Play Fingerstyle Solos For Ukulele" by Mark Kailana Nelson, Mel Bay Publications, inc.

Ukulele Kala KA-SMHS - Strings Worth Clear Medium
Recorded with Handy Recorder Zoom H2

And... I'm a beginner, so don't expect the best version ever. This is just to record my progress ;o)