I had used MP3 Tag Studio v1.61 until I changed every single one of my 800 files to the same thing accidently, big mess

... and didn't notice untill it was too late for undo, eh? Undo did save my hide once or twice
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Dragi "Bonzi" Raos Q#5196 MkII #080000376, 18GB green MkIIa #040103247, 60GB blue