Answer:
A Bill Haley
Explanation:
The artist that recorded the first rock-and-roll hit to enter the Billboard music charts is known to be "Bill Haley"
Billy Hailey became the first rock and roll artist to have his some enter Billboard music charts. This historic event occurred in 1955 when "Rock Around The Clock" sang by Bil Hailey and his Comets hit number on the Billboard Pop Chart.
The song became popular following its appearance in the film Blackboard Jungle.
