The country musician (and grandson of Waylon Jennings) also opens up to PEOPLE about his journey to sobriety. It’s been over four years since Whey Jennings got clean. "I went in [to rehab)]to ...

Whey Jennings comes from a famous family ... He only saw Waylon about three or four times a year. “We didn’t live close, so I’d see him when he came to Texas,” Jennings says.