Simplify the following text for a Grade 9 native English-speaking person.
Original: Joseph `` Joe '' Satriani ( born July 15 , 1956 in Westbury , New York ) is an Italian American instrumental rock guitarist and multi-instrumentalist , with multiple Grammy Award nominations .
Simplified: Joseph Satriani ( born July 15 , 1956 in Westbury , New York ) is an American musician who can play different instruments . However , he is most afmous for his work as an instrumental rock guitarist .