: The premier source for legal, copyright-free classical music recordings and sheet music.

: Highly recommended by the iPod community because it gives the largest share of revenue to artists and provides DRM-free files in multiple formats like MP3, FLAC, and ALAC.

: Under U.S. copyright law, music you buy on physical media or as a permanent digital download can be legally copied for personal, non-commercial use on your own devices, like an iPod.

To ensure your music is legal and compatible, it must be (Digital Rights Management) or purchased directly through Apple's ecosystem.