For palmtops a program is available called 'Elvis'. It is a nice little jukebox for your Palm powered handheld. You can use it for cheering up, for refreshing your musical memories, for playing a little musical quiz by yourself or with friends and finally, of course, for replacing the boring standard alarm of your handheld. Thanks to Elvis, you can now wake up every morning with a different song!
There are two version, the free and paid version (price is $10).