To put that in perspective, many companies in the United States have more data stored, per company, than the entire US Library of Congress.

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Pink Floyd's The Dark Side of the Moon is to seal its place in history at the US Library of Congress as part of its National Recording Registry.

BBC: Pink Floyd album to be preserved by US Library

In 2011, David and Burt Bacharach were awarded the Gershwin Prize for popular song by the US Library of Congress, the first time a songwriting team has been given the honour.

BBC: Hal David, US songwriter, dies at 91