We love QR Codes. And we love iTunes. Even better is when we can combine the two with Free Music Tuesdays. Follow @icandybot on Twitter and you'll get the heads up on the latest iCandy cards for Free Music Tuesdays. Scan them with your iPhone and the appropriate QR Code app and it'll take you straight to the iTunes store where you can download the song for FREE.
Here's a yummy sampler: