This is Waylon Jennings' and Willie Nelson's 1978 cover of \"Mammas, don't let your babies grow up to be cowboys\". The song, originally performed by Ed Bruce, was number 1 on the charts for four weeks in the spring of 1978 and was released on the classic duet album \"Waylon & Willie\". It includes the lyrics.
Special Thanks to B.E.N. (age 8) for his assistance in editing this video!