Complex sentence: He graduated from McGavock High School in Nashville, Tennessee, where he was a charter member of the school's award-winning Wind Ensemble and marching band as well as serving as Principal Trumpet in both the Nashville Youth Symphony and the Tennessee All-State Orchestra.
Split into simpler sentences: He graduated from McGavock High School in Nashville, Tennessee, where he was a charter member of the school's award-winning Wind Ensemble and marching band. While in high school he also was Principal Trumpet in both the Nashville Youth Symphony and the Tennessee All-State Orchestra.