Исправление ошибок

Hello!
I would like not be an importunate that’s why I was afraid write to you. But now, I want to say thank you for all that you did for me. I had known about you quite accidentally and I like you at once. Then that I’m representing now this all thanks to you this is your “creature”. You had changed me. But for your music I was how all girls in my town. Thanks to you I have my aims, interests and best friends. You had put me on right way and I’m certain that I’m not such alone. Of course the news that you leave us disappointed me, yes, really pity, but if you really decided so, I don’t have rights to order. It’s your choice. I want very much in order to you know whom you had created with your common efforts, your music. I thanks to you! I’m certain that you are the most main that I have. Thank you very much, guys! I won’t forget you and your music ever! You must know that other the world there is one person, for whom you played very big role. Thanks!

I want you very much to know...
Вместо common, наверное, лучше будет использовать usual, если Вы хотите сказать, что это обычные, повседневные усилия человека
I thank you!
the most main that I have - 1 не хватает существительного, например, person, 2 по отношению к человеку лучше использовать эпитет important (for me)
You must know that other the world there is one person, for whom you played very big role. - также не поняла первую часть
Здесь опять несогласование: надо либо сменить must на should, а is на was, либо played на play.