"David was an all-around -- actually one of my favorite audio engineers," friend Jerry Slone told WKRN.
He told the news station David Turner spent more than 40 years in the music business, working with artists including Tammy Wynette, Conway Twitter, Hank Williams Jr. and others.
Author and local historian John Cofield shared images Thursday of David Turner, who hailed from Oxford, Mississippi, according to the Daily Journal.
"My thoughts and prayers are with his wife Jamie, daughter Ada and family," Cofield wrote. "RIP David."
Original report: Of the eight victims, one was killed and two suffered "major" injuries, Cal Fire/San Luis Obispo tweeted. First responders described the five other patients' injuries as "moderate."
"Josh Turner and his road family have suffered a devastating loss," a representative for Turner said in a statement obtained by Fox News. "Please keep the crew, band and Josh in your thoughts and prayers. All remaining shows in September will be rescheduled for a later date."
Investigators are still trying to determine what caused the crash, which sent the bus careening into an embankment, the news outlets reported. No further information was immediately available.
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The Cox Media Group National Content Desk contributed to this report.