Проверьте на правильность, , вопросы про битлз) why this band was so popular? how many songs did they performed? in what city was founded this band? who was the founder of the beatles? why the beatles broke up? in what year was founded this band? what song was most popular?

Why is this band so popular? How many songs did they perform? what city was this band founded in? Who was the founder of the Beatles? Why did the Beatles brake up? When was the band founded ? What song was the most popular?