Nope! Your TouchTunes account will keep track of all of the following for you, even after you switch devices:
As long as you Log In to the same TouchTunes account on your new device, everything will be there - if you're having difficulty getting into your account, please refer to our FAQ article: "I got a new device - how can I transfer my TouchTunes account to it?"
NOTE: Some credit card or payment data may need to be re-entered on your new device. Third party payment methods such as PayPal® require that app or service to be configured for your new device, separately from the TouchTunes app.