Complex sentence: Ernie Brown substituted for Williams for a short time and Fuqua left in 1952 to form his own group and was replaced first by Jimmy Cannady, then by Everett Barksdale.
Split into simpler sentences: Ernie Brown substituted for Williams for a short time and Fuqua left in 1952 to form his own group. He was replaced first by Jimmy Cannady, then by Everett Barksdale.