Complex sentence: Medlocke and Walker left the band to play with another southern rock band, Blackfoot, and when the Lynyrd Skynyrd made a second round of Muscle Shoals recordings in 1972, Burns was once again featured on drums along with a new bassist, Leon Wilkeson.
Split into simpler sentences: Medlocke and Walker left the band to play with another southern rock band, Blackfoot. When the Lynyrd Skynyrd made a second round of Muscle Shoals recordings in 1972, Burns was once again featured on drums along with new bassist, Leon Wilkeson.