Related Clues:

• Apollo mission astronauts
• Housetop
• Mouth feature
• The Police or Green Day
• Mansard, for one
• House top
• It might be pitched
• Last-column element on the periodic table
• 56-Across, e.g.
• Shakes setting
• Chamber group, often
• Small jazz group
• Minuet movement
• Chamber ensemble
• Rock music's Rush, for one