Complex sentence: The concert hall has a seating capacity of 1,716 people and when seating is available in the choir loft above the main stage area the hall can hold up to 1,932, and is a tall, rectangular room with stepped, curved balconies and terraces.
Split into simpler sentences: The concert hall has a seating capacity of 1,716 people and when seating is available in the choir loft above the main stage area the hall can hold up to 1,932. The hall is a tall, rectangular room with stepped, curved balconies and terraces.