Simplify the following text for a Grade 7 native English-speaking person.
Original: The Piedmont blues was named after the Piedmont plateau region , on the East Coast of the United States from about Richmond , Virginia to Atlanta , Georgia .
Simplified: Piedmont blues ( also called East Coast Blues ) is a blues music style from the East Coast of the USA . The name came from the Piedmont , a hilly coastal area between Richmond , Virginia and Atlanta , Georgia .