Billy Harlan is an American rockabilly and country singer and songwriter who made his mark in the 1950s and 60s. Known for his distinctive blend of country music and rhythm and blues, Harlan was one of the early pioneers of rockabilly music. His most influential works include "I Wanna Bop" and "School House Rock," which showcased his signature sound and contributed significantly to the rockabilly genre. Despite his limited discography, Harlan's influence in shaping this genre is undeniable.