Herbert Groenemeyer in Washington DC
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Biggest star you've never heard of

Herbert Groenemeyer is known and beloved in his home country Germany, but to keep from getting bored he is now touring through the US

Germany's most famous musical artist is a long way from home.

Having sold more than 13 million albums and routinely played to 80,000-strong crowds in his homeland, Herbert Groenemeyer, 57, is turning his attention to the biggest musical market of all - the United States.

He has translated some of his most popular songs into English, added some new ones, and has just embarked on a 12-concert tour that will take him all the way from Boston to San Francisco.

But why does the performer behind Germany's best-selling album of all-time feel the need to play in front of a couple of hundred people in a foreign country?

The BBC's David Willis went to meet him.

Produced by the BBC's Franz Strasser.

Footage and music courtesy of Grönland Records and Universal Music.