求助这篇英语短文改错
The Students Union decided to organize a music week.It will be held on the first week of May.The activities include singing pop songs and play classical and folk music.Take your own instruments,please.A music contest will be including.The students take part in the contest will listen to one part of a song or a piece of music,and then guess that where it comes from.If you will take part in this music week,please come and sign up for it after April 20th.The place for activities will be announced later.