Preview at WWDC likely in June, followed by September launch.
Apple Notifies Partners: DRM-free Music and DRM-free Music Videos Soon
Many of you have reached out to iTunes to find out how you can make your songs available higher quality and DRM-free. Starting next month,iTunes will begin offering higher-quality, DRM-free music and DRM-free music videos to all customers.
The new unrestricted format appears to be open to any publisher who is interested. Apple and EMI first announced earlier this month that they would be distributing DRM-free EMI songs via iTunes for $1.29/song with higher quality settings. The first of these new songs are expected in May.
In the earlier press release, it was revealed that Music Videos would also come DRM-free from EMI but with no change in price.