Complex sentence: There are regular Friday afternoon recitals involving Australian and International organists commencing at 1:10pm (usually for 30 or 40 minutes), these recitals have now been going for more than 40 years.
Split into simpler sentences: There are regular Friday afternoon recitals involving Australian and International organists commencing at 1.10pm (usually for 30 or 40 minutes). These recitals have now been going for more than 40 years.