This is really awesome idea it plays the first part of What Does The Fox Say.I made it in xbox edition it may or may not work in other editions. I hope you enjoy my instructable.
Step 1: What You Need
18 Wool Blocks (any color)
12 Note blocks
1 stone button
5 Redstone repeaters
So what you do first is make what I did in picture 1 but in whatever color wool you want.I did it in the wool I did sort of as a grid you follow the colors. Now on the first block (in the picture it is dark blue place 1 Redstone and then a block over the Redstone then the button on that.
Step 3: Brown & Cyan
Place your first 2 note blocks on brown & cyan wool. For these 2 don't change the tune at all.
Step 4: Purple & Dark Blue
The next 2 note blocks go on purple & dark blue. For the one on purple change the tune 23 times simply by clicking LT. For the one on dark blue change the tune 12 times
Step 5: Dark Pink & Light Pink
The next 2 note blocks go on Dark pink and light pink. For the dark pink one change the tune 25 times. For the light pink one change it 13 times.
Step 6: Grey & White
The next 2 note blocks go on grey & white. For the one on grey change the tune 22 times. for the one on white change it 12 times
Step 7: Light Blue & Lime Green
On the next row put your next 2 note blocks the colors they should be on should be light blue and lime green turn them both to 14.
Step 8: Yellow & Orange
For your last 2 note blocks put them on yellow and orange. the not block on the yellow one change the tune 6 times. For the one on the orange change it 19 times.
Step 9: Repeaters
Now put your repeaters on all of the red blocks. Don't change the ticks on any of them but the last one on the last one change it once.
Step 10: All Done
Now you are all done and it's finished. I hope you enjoyed this instructable. Don't forget to vote. And bye