Terms and conditions are as follows:
No refunds available. Whether you like the song or not, you bought it.
Most MP3 songs are limited to 3 downloads. You can return to your account page and download each MP3 two more times after the first. KindMusic.com is not responsible for failed downloads due to wifi or other internet issues. That is why you get 3 chances. However you are allowed to use purchased songs on 3 devices. So enjoy!