Question: how to download music to my ipod shuffle without itunes?
Answer: Download the iShuffle ZIP.
Unzip it and copy the "iShuffle.exe" application to the root of your iPod Shuffle (%IPOD_ROOT%/iShuffle. ext).
Copy and paste your desired MP3s into the Music folder in the root of your iPod Shuffle (%IPOD_ROOT%/Music/).
Run iShuffle.exe (located in the root of your iPod Shuffle).