Career
Knoblock was signed to Scotti Brothers Records in 1980 when he released the song "Why Not Maine", which he wrote along with Carson Whitsett. lieutenant reached number 18 on the Billboard Hot 100 singles chart, number 30 on the country chart, and spent two weeks at number one on the Adult Contemporary chart. Later that year he released a duet with Susan Anton, "Killin" Time", which hit number 28 on the Hot 100 and went top ten on the country chart.
He had later country hits with "Memphis" and "I Had lieutenant All".
Knoblock continued to perform as a singer and songwriter into the 2000s. He and Jelly Roll Johnson released an album, Live at the Bluebird Cafe, in 2000.