Possible Clues:

• Twice about the sod that's turned in church
• First notes after second notes in church?
• Concerned with colour given to very big screen
• Group of engineers with ruddy huge screen
• About twice, turn the sod by the altar
• Screen left out when joiner turns up
• Variety of red rose that's put at back of altar
• Hereabouts turn over the sod in church
• Choir screen composed of rose red characters
• Choirscreen