Pixound iPhone App allows you to "play" pictures in any scale and key by moving your finger(s) over the image.
Musicians who have tried Pixound and loved it:
ZOOZbeat™, your Music reCreation Studio™, lets you reCreate remix and personalize songs from your favorite musicians. Now features the beats of Too $hort, Easy Star All Stars, and Kutiman.
Just shake, tilt , or tap your iPhone or iPod Touch to ...