Related Clues:

• 34 across is one of them
• Or make them, by the sound of them?
• Eggs from them
• Sat around the rat for 5 down
• Lamina hens
• Layers that are not to produce the beginning of 5 down
• So much noise will wake you up, by the sound of it
• Joins the crew?
• Rock levels
• Layers of rock, e.g
• Maybe rock bands at Arthur's back?
• See 12
• Layers start out with one
• Stone missing from plan for levels
• Barney's rackets