Simplify the following text for a Grade 11 native English-speaking person.
Original: Timo Antero Kotipelto ( born March 15 , 1969 in LappajÃ rvi , Finland ) is the vocalist of the Finnish power metal band Stratovarius and is the creator and vocalist of the power metal band Kotipelto .
Simplified: Timo Antero Kotipelto ( born March 15 1969 ) is the vocalist of the Finnish power metal band Stratovarius and is the creator and vocalist of the power metal band Kotipelto .