Carl Orff - O Fortuna, from Carmina Burana
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The 20 scariest pieces of classical music

10. Carl Orff - O Fortuna, from Carmina Burana
When it comes to pure fury, few can rival Carl Orff. The stately opening of 'O Fortuna' from 'Carmina Burana' is soon replaced by some intense, pulsing choral work, which basically erupts into a full-on orchestral blaze.