The Seasons Opus 67 - Autumn Alexander Glazunov Download 'The Seasons Opus 67 - Autumn' on iTunes
From a Mozart manuscript to Callas's cars, can you guess the extraordinary prices these items of classical music memorabilia fetched in auction?
Ever wondered what that Strad in the attic might be worth? Or the portrait of a great composer that hung over your granddad's piano?
Have a go at estimating what these amazing classical antiquities fetched in auction.