P‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍aper must be five sections: Introduction (general history of the piano), the things and people who have influ‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍enced the piano, how the piano works, how to perform, and a conclusion (write about the future of the piano)‌‌‍‌‌‍‍‍‌‍‍‌‍‍‍‌‌‌‍.