Complex sentence: Satriani was born in Westbury, New York, the descendent of Italian immigrants, his paternal grandparents were from Piacenza and Bobbio while his maternal grandparents were from Bari.
Split into simpler sentences: Satriani was born in Westbury, New York, the descendent of Italian immigrants. His paternal grandparents were from Piacenza and Bobbio, while his maternal grandparents were from Bari.