Simplify the following text for a Grade 8 native English-speaking person.
Original: Jesse Carmichael ( born Jesse Royal Carmichael , April 2 , 1979 , Boulder , Colorado , United States ) is an American musician who is the keyboardist for Maroon 5 .
Simplified: Jesse Royal Carmichael ( b. 2 April 1979 ) is an American musician , guitarist & keyboardist .