Possible Clues:

• Sung or spoken at church, a work like the Messiah
• Symphony type pioneered by Beethoven
• To do with group of singers, often in church
• Of a group of singers
• Like some music
• This is sung or spoken at the back of the church
• Nickname for a 63-Across 39-Down
• Like much religious music
• Church has spoken for singers
• … his ninth …