Just a few days left to take advantage of this tasty deal! This promo is music to our bargain-hunting ears! Enjoy a musical and visual experience inspired by Chipotle‘s 51 real ingredients and get tuned into a buy-one-get-one FREE coupon from the fast-casual Mexican restaurant. Through August 31, go to this website and make your own music mix — just pick and choose from your favorite ingredients to fine tune the delicious notes. Then, listen to your own musical creation. Next, enter your mobile phone number for a digital coupon good for a FREE entrée with the purchase of one, while supplies last. (The coupon also expires August 31.) There is a limit of one offer per person, per unique mobile number.