Write a letter your friend

Hi, John!
How are you? I havent seen you for ages and I have so many things to tell you! Firstly, I changed my school. My new school is very big and modern, it has its own stadium and a swimming pool. Ive made a lot of new friends there.
My new friends and I have organized a music band. I play the guitar and my sister plays the violin.
I also have to study hard this year because we will have to pass four serious exams in May.
After my exams in summer Im going to go to a sports camp. It would be great if you could come there, too.
Thats all for now, look forward to hearing the news from you.
Yours,
Sam