Complex sentence: As of June 9,2015, the Roy O. Disney's "deep-tone Crosby 6" 3-chime whistle was replaced with a multi-tone one that was also its original whistle and it also sounds similar to the "Liberty Belle" riverboat's.
Split into simpler sentences: As of June 9,2015, the Roy O. Disney's "deep-tone Crosby 6" 3-chime whistle was replaced with a multi-tone one that was also its original whistle. It also sounds similar to the "Liberty Belle" riverboat's.