Complex sentence: By the time of Steuterman's direction, the band hand changed from a band that resembled a Local Town Band to a Jazz Orchestra style band, performing at dinners, college plays, and the first accounts of the band performing for the football team.
Split into simpler sentences: By the time of Steuterman's direction, the band hand changed from a band that resembled a Local Town Band to a Jazz Orchestra style band, performing at dinners and plays. We also have our first accounts of the band performing for the football team.