Complex sentence: He has traveled to over 30 cities and has performed all over the United States, United Kingdom and Canada, performing for audiences as large as 37,000 and for all ages including youth as young as nine.
Split into simpler sentences: He has traveled to over 30 cities and has performed all over the United States, United Kingdom and Canada. Performing for audiences as large as 37,000 and for all ages including youth as young as nine.