Complex sentence: The current building was built in between 1871 and 1874, Scots was designed by Joseph Reed of Reed & Barnes and built by David Mitchell, the father of Dame Nellie Melba.
Split into simpler sentences: The current building was built in between 1871 and 1874. It was designed by Joseph Reed of the firm Reed and Barnes, and built by David Mitchell, the father of Dame Nellie Melba.