Walker started singing when he was two or three years old, and began performing in public when he was four.[2] When he was ten, he was invited on stage to perform with The Oak Ridge Boys, and when he was eleven, he sang with The Oak Ridge Boys on The Nashville Network's Nashville Now as well as on the Jerry Lewis MDA Telethon.[3]
In 1998, Walker formed a band, The Trinity Mountain Boys, and began to perform at bluegrass festivals.[3] In 2001, he joined the Georgia-based group Lost Horizon.[4] He was signed to Rounder Records, and released his debut album, Highway of Dreams, in 2006. The album was produced by Carl Jackson.[5] For his performance on the album, he won the Male Vocalist of the Year Award from the International Bluegrass Music Association.[6]
2016: Call Me Old-Fashioned
Walker's second album, Call Me Old-Fashioned, was produced by Rory Feek and recorded at the Joey + Rory studio out on their farm. Walker had known Joey and Rory Feek since 2007, and he was asked by Rory Feek to sing the hymn "Leave It There" at the funeral of Joey Feek in accordance with her wishes.[6]Bill Gaither of the Gaither Music Group, who was also at the funeral service, heard Walker's performance and signed Walker to his label.[7] The album includes a posthumous duet with Joey Feek, "In The Time That You Gave Me", using vocals she recorded before her death.[6] The album was released on September 23, 2016,[8] and debuted at No. 9 on the Top Country Albums chart.[9]
In 2020, Walker collaborated with Jimmy Fortune, Ben Isaacs, and Mike Rogers to release an album Brotherly Love and a concert DVD/TV special filmed at Rory Feek's barn/studio near Columbia, TN.[14] The album was released digitally on May 29, 2020, and the DVD and CD released on September 4, 2020.[15] The concert film aired on the Circle network on October 20, 2020.[16] The collaboration was successful and they decided to continue with another project, and while they were recording their second album they named their group Brothers of the Heart.[17]
In February 2023, Brothers of the Heart released the second album, Listen To The Music. The album reached No. 5 on the Top Christian Albums chart, and No. 32 on Top Album Sales.[18]