Related Clues:

• Sacred song about lamps
• The man for a song
• Song of praise to God
• The man for a rousing song
• Song of loyalty
• Church choral composition
• Thomes turns up, and the rest makes it all choral
• The French have a word for it in church, and it's in Latin
• How fateful when potassium's encountered like this!
• How the man gets confused about the singing
• The sound of 4 down, perhaps, set to music
• Thus might the insect be singing at the Border
• Chorally, the little speck comes to tea
• A churchman, by the sound of it
• The song goes right for the non-heretic