Related Clues:

• Hard to get holy singles of rock
• Holy ones, but hard
• This 27 acrosses to make them sound bolder
• The ones that are holy are hard to find
• Sounds as if they wait for the holy ones
• Those that are holy, perhaps, and hard (6)
• They're hard holy ones for 9 across
• They make it hard for the holy ones
• Holy but hard ones
• Rolling holy ones for a group
• Hard, holy singles may be rolling
• They're very hard, holy singles, perhaps
• Ones that are holy but hard
• Are canonised ones the hard ones?
• Pebbles and boulders