Simplify the following text for a Grade 5 native English-speaking person.
Original: David Lubega ( born April 13 , 1975 ) , also known as Lou Bega , is a German musician of Italian and Ugandan descent , and is famous for his song `` Mambo No. 5 '' .
Simplified: Lou Bega was born as David Lubega on April 13 , 1975 in Munich , Germany .