Complex sentence: In 1964, Carpino met his wife, Evelyna Carpino, a soprano singer, when he asked her brother if he knew of anybody who could have the soprano part in an upcoming concert.
Split into simpler sentences: In 1964, Carpino met his wife, Evelyna Carpino, through music, she was a soprano singer. When he asked her brother if he knew of anybody who could have the soprano part in an upcoming concert.