The song "Who's Gonna Fill Their Shoes" by George Jones reflects on the legacy of country music legends who have passed away or are nearing the end of their careers. It pays tribute to iconic singers who have made a significant impact on the genre and wonders who will take their place. The lyrics describe how only a select few singers have the ability to deeply touch listeners' hearts with their performances. These individuals are compared to "radio heroes" who have become synonymous with country music. The song mentions notable artists such as the Red-headed Stranger (Willie Nelson), the Man in Black (Johnny Cash), and the Okie from Muskogee (Merle Haggard). Jones also references historical figures in country music, including Jesse, the outlaw who walks through dreams, and Luke the Drifter (Hank Williams' alter ego). He acknowledges the timeless influence of Jerry Lee Lewis, Charlie Rich, and others from the Fifties, with their music still resonating today. The song expresses lamentation for the loss of these exceptional musicians like Elvis Presley and their contributions to the world of country music. It highlights their distinct styles and iconic songs that have stood the test of time, such as "Blue Suede Shoes." As the song progresses, it ponders who will step up to continue the tradition and fill the shoes of these legends. It reflects on the importance of artists who are willing to dedicate their heart and soul to their craft and touch the lives of listeners. The song leaves the question open, wondering who will emerge as the next generation of country music stars. Overall, "Who's Gonna Fill Their Shoes" portrays George Jones' reverence for the country music greats who have shaped the genre and acknowledges the challenge of finding successors who can match their talent and impact.