yaellopezm0771 yaellopezm0771 02-09-2022 History contestada Two musicians joined Bill Monroe's band in 1945 and had a major impact on the band's sound. Who were they? O A. Don Reno and Red Smiley B. Earl Scruggs and Lester Flatt OC. Jim and Jesse McReynolds OD. Del and Ronnie McCoury