To redeem this card, you need a computer (pc. mac or tablet) and Internet access and is only redeemable through www.childrensmusicshop.com. All song downloads are in mp3 format. Simply scratch off the gray panel below to reveal your 10-digit code. Go to www.childrensmusicshop.com and follow the basic instructions. Card balances can be viewed by logging onto your account at www.childrensmusicshop.