Apple has just released an update to iTunes (7.2) via the Software Update control panel. The update allows you to download the new DRM-free music from iTunes, now called iTunes Plus:

With iTunes 7.2, preview and purchase iTunes Plus music—new higher-quality, DRM-free music downloads from participating music labels.

As of right now, iTunes is not showing any DRM-free music available for purchase, we are expecting those to be released sometime tomorrow morning.

From the iTunes Help Menu, it appears you will new be able to upgrade your existing songs to the iTunes Plus (DRM-free) version:

The iTunes Store also offers songs without DRM protection, from participating record labels. These DRM-free songs, called “iTunes Plus,” have no usage restrictions and feature higher-quality encoding.

The first time you buy an iTunes Plus song, you specify whether to make all future purchases iTunes Plus versions (when available). You can change this setting by accessing your account information on the iTunes Store.

If you already have iTunes Store purchases that are now available as iTunes Plus downloads, you may upgrade your existing purchases. To do so, visit the iTunes Store and follow the onscreen instructions.

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