Waylon Jennings & Willie Nelson:Mammas Don't Let Your Babies Grow Up To Be Cowboys Lyrics performed by Waylon Jennings are property and copyright of the authors, artists and labels. You should note that Waylon Jennings & Willie Nelson:Mammas Don't Let Your Babies Grow Up To Be Cowboys Lyrics performed by Waylon Jennings is only provided for educational purposes only and if you like the song you should buy the CD