Complex sentence: The hall also contains a two-manual tracker-action Casavant organ, randomly placed in one corner, while stains on the ceiling occupy the other corner, commemorating the leaking of a bathroom from the main floor.
Split into simpler sentences: The hall also contains a two-manual tracker-action Casavant organ. Designed with a random organ in one corner, and stains on the ceiling in the other corner, commemorating the leaking of a bathroom from the main floor.