Complex sentence: Havergal Brian's "Symphony No.1 in D minor (The Gothic)" was composed between 1919 and 1927, and partly owes its notoriety to being the largest symphony ever composed (described thus by the Guinness Book of Records).
Split into simpler sentences: Havergal Brian's "Symphony No.1 in D minor (The Gothic)". The symphony was composed between 1919 and 1927, and partly owes its notoriety to being the largest symphony ever composed (described thus by the Guinness Book of Records).