Related Clues:

• Blowhard's declamation
• Unabomber's writing, e.g
• Belief follows opening of scriptural passage
• Monotonously rhythmic, as a voice
• Wrong percussion instrument swamping singular choral performance
• Windbag's delivery
• Tediously long speech
• Political tirade, maybe
• Layer of mortar to level a floor
• Err seriously at first, dividing award for informal musicmaking
• Layer of cement
• Multiparagraph blog comment, maybe
• Long dull passage covered in loose rock, apparently
• Filibusterer’s delivery, often
• Long (boring) piece of writing