Possible Clues:

• Many delayed backing copper maybe
• Ozzy Osbourne's music, informally
• Tungsten, e.g.
• Time to tuck into food, finding tin, perhaps
• ----- Mickey (Suede)
• Rock music subgenre
• Have a little tea from a tin in the middle of what you're eating
• Iron Maiden overdue to make a comeback?
• Copper, for one
• Iron or tin