(Ukulele). Strum your favorite hits from Jason Mraz, Disney, U2 and more! This collection can be used on its own, as a supplement to the Ukulele for Kids method book or with any other beginning ukulele method. The songs are presented in order of difficulty using simple strumming notation no music reading required. Demo tracks for each song are available for download online. Songs: Don't Worry, Be Happy * I'm Yours * The Lion Sleeps Tonight * Riptide * The Siamese Cat Song * and more.