make a copy of the file so you have 2 or more (in case the next step doesnt work, you dont wanna ruin the file). try changing the .qcp extention to .wav. Windows Media Player should be able to play this type of file.
or you may try the following.
How to Convert QCP to MP3 | eHow.com
btw, google returns alot of info on what .qcp files are and how to convert them. always check there first.