Final answer:
Chuck Berry was one of the musicians known for low-register riffs and the interplay with a strong beat in his music during the fifties.
Step-by-step explanation:
In the fifties, the low-register riffs and the interplay between them and a strong, active, and steady beat were distinctive elements in the music coming from Chuck Berry during the fifties. Chuck Berry was a performer who combined rhythm and blues and rock and roll, dazzling crowds with guitar solos and electrifying performances.