Simplify the following text for a Grade 7 native English-speaking person.
Original: Brandon Richard Flowers ( born June 21 , 1981 ) is an American musician , best known as the frontman , vocalist , and keyboardist of the Las Vegas-based rock band The Killers .
Simplified: Brandon Flowers ( born 1981 ) is the singer and keyboardist of the American rock band The Killers .