Billy Grammer was an American country music singer and accomplished guitarist, born in 1925 and active primarily in the 1950s and 1960s. His style combined elements of country, folk, and pop, and his most famous song, "Gotta Travel On", topped the country charts and crossed over into the pop top five in 1959. Grammer is also known for designing and manufacturing his own line of flat-top acoustic guitars, the Grammer Guitar, a distinctive aspect of his music career. His contributions to country music and his unique blend of genres have cemented his place in music history.