All sales are final. Each link you receive is active for 48 hours and is good for two downloads during that time, so you have a backup just in case. All downloads from NewNotes Music (www.newnotes.com), are copyrighted material with all rights reserved. They are for your personal, non-commercial use only. You can play them as much as you like on any of your personal devices, including playing them from a CD, thumb drive, or tape, etc., that you make for your own personal use. If you would like to give a copy of a file you have downloaded from this site to someone else, please purchase an additional unit for each person you want to give a copy to, and then make as many copies of the download as you paid for.