Complex sentence: The Philharmonic Orchestra, conducted by Maestro Yair Samet, is SJYS's premier orchestra, composed of approximately 100 musicians mostly of high-school age.
Split into simpler sentences: The Philharmonic Orchestra, conducted by Maestro Yair Samet, is SJYS's premier orchestra. Simply referred to as the' Phil', it is composed of approximately 100 musicians mostly of high-school age.