What is iTunes Plus?iTunes Plus refers to songs and music videos available in our highest-quality 256 kbps AAC encoding (twice the current bit rate of 128 kbps), and without digital rights management (DRM). There are no burn limits and iTunes Plus music will play on all iPods, Mac or Windows computers, Apple TVs, and many other digital music players.iTunes DRM-protected music includes audio with a bit rate of 128 kbps and allows users to transfer songs and videos to up to five computers, burn seven copies of the same playlist to CD, and sync to an unlimited number of iPods.