Complex sentence: Unusually for a parish church, the Priory Church Choir comprises professional singers and is directed by Nigel Short, as well as a second choir of amateur singers, The Rahere Singers, which performs in some services.
Split into simpler sentences: Unusually for a parish church, the Priory Church Choir comprises professional singers and is directed by Nigel Short. A second choir of amateur singers, The Rahere Singers, performs in some services.