Complex sentence: The choir sings at Sunday services, and also at a choral evensong on Wednesdays; apart from the two cathedrals, it is the only choir in the diocese to regularly sing a full midweek choral evensong.
Split into simpler sentences: The choir sings at Sunday services, and also at a choral evensong on Wednesdays. Apart from the two cathedrals, it is the only choir in the diocese to regularly sing a full midweek choral evensong.