Hank Snow

Question $3$ options:

began his career as a hit maker in $1957$ with his recording of "Walkin' After Midnight," which was successful on both the country and the pop charts.

was the founder of bluegrass country music.

is credited with launching Elvis Presley's career at the Grand Old Opry in $1954.$

was an African American country singer who set out to appeal principally to the country audience, racking up an astonishing $29$ Number$-$One country hits by $1983.$