[1] After moving to Nashville, Tennessee, in 2014, he got a publishing deal with RED Creative Group, which led to him writing songs for Jason Aldean, Justin Moore, and Chase Rice among others.

After promoting himself on social media, he began performing as opening acts for Moore, Rice, and Lanco.

In 2018, he signed to Mercury Nashville and released the single "David Ashley Parker from Powder Springs",[1] which has charted on Country Airplay.

[2] The following month, it reached number one after 65 weeks on the chart, also setting a record for the slowest ascent to the top.

[3] "David Ashley Parker from Powder Springs" is based on Denning's real-life experiences with identity document forgery when he was underaged, and David Ashley Parker is a real person whose identity Denning used to buy beer and cigarettes when he was not old enough to do so legally.