Possible Clues:

• A case Collins cracked using methods from antiquity
• Looking a long way back in case locals are upset
• Like some of Stravinsky’s music — so nice, Callas recollected
• Worried in case locals like some of Soane’s buildings?
• In a revived style from the past
• Somehow call Soane (sic) for description of his architecture
• Metal subgenre
• Type of art, perhaps one form to one state