Complex sentence: The album was mixed at Rockfield Studios, South Wales in November and December 1991, and was due to be done by Dudgeon who instructed Partridge not to attend, but Partridge insisted he would appear anyway.
Split into simpler sentences: The album was mixed at Rockfield Studios, South Wales in November and December 1991. The mixing was due to be done by Dudgeon who instructed Partridge not to attend, but Partridge insisted he would appear anyway.