Gary McMahan

Gary McMahan (born 1948 in Greeley, Colorado) is an American Western music singer-songwriter, yodeler, humorist and cowboy poet, known for his wide-ranging influence in post-19th century Western music and poetry, and for writing The Old Double Diamond, which members of the Western Writers of America chose as one of the Top 100 Western songs of all time.

Bio from Wikipedia - See more on en.wikipedia.org Text under CC-BY-SA license