Owens "Boomer" Castleman (July 18, 1945 – September 1, 2015) was an American singer-songwriter and guitarist. == Career as musician == He was born and raised in Farmers Branch, Texas, United States. Castleman first started playing professionally at age 17 while a high school student in Dallas. He and a Ft. Worth teenager, John Deutschendorf, played on the folk circuit together, and Castleman was present at a club in Los Angeles when his friend agreed to change his name to... [more on Wikipedia]