Simplify the following text for a Grade 7 native English-speaking person.
Original: She was known as the `` Rainha do Fado '' ( `` Queen of Fado '' ) and was most influential in popularizing the fado worldwide .
Simplified: She was called the `` Rainha do Fado '' ( `` Queen of Fado '' ) and she was very important in making the fado popular all over the world .