Answer:
Earl Scruggs & Lester Flatt
Step-by-step explanation:
These were the two musicians who left Bill Monroe's band to form a highly influential bluegrass band. The band they formed was Flatt & Scruggs and the Foggy Mountain Boys. Guitarist Lester Flatt and banjo player Earl Scruggs recorded together until 1969. They are seen as a landmark band in bluegrass music.