If you don't have a Yousician account, it is easy to create one. Enter a username, email address and password, and then tap Create Account. You can also use your Facebook account and Sign up with Facebook. If you already have a Yousician account, tap Log In.
Enter the code from your gift card and tap Redeem.
If you currently have a premium subscription, it is not possible to redeem your gift card. Check to ensure that the subscription is cancelled.
Once the subscription ends and your account changes back to free, you can use the gift card to redeem the gift for your account. The code is valid for 24 months from purchase.