Working Life is a monthly column in which Texans talk about their jobs. Chrystabell, who is 46, is a recording artist and co-owner of a green-burial cemetery near San Antonio that uses only biodegradable materials.My dad incorporated Countryside Memorial Park in 1982. About three years before he died in 2009, he said to me, “Honey, I think I want the cemetery to be exclusively green burial.” He was the first to be buried naturally. But it wasn’t until COVID-19 that I moved home from California and started running the cemetery with my mom, Sunny Markham. My singer-songwriter career was suddenly on hold, and there was a high need for burials. The neat thing is, the most coverage that the cemetery has received has been a result of…