Jesse Davis Brock is an American bluegrass artist who plays the mandolin and sings both lead and supporting vocals. He records and tours with the East Tennessee based Authentic Unlimited, which made their stage debut on February 19, 2022, in Asheville, North Carolina. In May 2022, Authentic Unlimited released their first two albums on the Billy Blue Records label. In November 2023, Authentic Unlimited made their debut on the Grand Ole Opry in Nashville, Tennessee, In March 2024, Billy Blue released two additional albums. In November 2024, the label released their first Christmas album, also on Billy Blue Records.