Simplify the following text for a Grade 7 native English-speaking person.
Original: Timothy James Rice-Oxley ( born 2 June 1976 ) , is an English multi-instrumentalist , best known as co-founder , the principal composer and pianist , backing vocalist of piano rock band Keane .
Simplified: Timothy James Rice-Oxley ( born June 2 , 1976 , in East Sussex England ) is the English pianist of rock band Keane .