Artist Lockscreen is an app that allows you to use images of your favorite musical artists as your lockscreen wallpaper. It takes full advantage of the new Lockscreen API support in Windows Phone 8 and the power of the Nokia Music APIs.
How does it work?
You simply search for all your favorite artists. If you choose more than one artist the wallpapers will be randomized and updated in the background at a regular interval.
How much does it cost?
The app is a very reasonable 0.99 cents and completely ad-free.
Where can I get it?
The app can be downloaded here.