Related Clues:

• The endless drink produces monotonous drone
• Trade Union member picketing hospital for strike
• Strike report starts to tell how unions did
• Loud heartbeat sound
• Fall follower?
• The "e" sound in "tandem"
• Heavily sit (down)
• Tiresome beat starts to test hotel resident's unruffled manner
• Clonk
• One's at either end of Alaska
• No end to the strange drone
• Landing sound
• Sound of 'The Chain' in umpteenth 'Rumours'?
• The "u" sound in "census"
• Pluck idly, as a guitar