It's not every day that record companies are accused of behaving like goblins in a book by JK Rowling.
But that is just one of the more colourful accusations being bandied around in a US legal battle that could have implications for many people's private CD and LP collections.
It all began in May 2007 when Universal Music Group (UMG), the largest of the Big Four companies that dominate the music industry worldwide, sued a Los Angeles-based trader on the eBay online auction site.
The target of the legal action, Troy Augusto, runs a business called Roast Beast Music Collectables.
He makes his living by snapping up rare albums in second-hand record shops and selling them on eBay.
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