How to Download Music into Your PSP

First, add connect your PSP with your computer using your USB, but you have to go to "settings" and click on "USB connection"

When your PSP is connected to your computer, a hard drive will appear [for example: hard drive (F:)]. That hard drive is for your PSP

Click on that hard drive and make a folder called "music"

Finally, open your folder full of musics and drag musics you like in the the "music" folder

Finally, when you disconnect your PSP with your computer, go to "Music" on your PSP and listen to your favorite songs!