The Beatles and The Police own the rights to songs included on the Top 10 highest-earning tracks of all time.
Roy Orbison and The Righteous Brothers are among artists who have accumulated huge sums of wealth through royalties from their most popular songs.
A new documentary on BBC Four explains the method behind royalty payments and reveals the Top 10 highest-earning songs in music history.
Heading the list is 'Happy Birthday To You', which has been owned by Warner Chappell since 1990 and has earned the company £30 million.
Source: Digital Spy
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