Всем доброго времени суток! Прошу, помогите составить письмо другу на английском…

Hello! What do you do? Read,play,enythink else? I will goto London in April. I serf the Net… Okay,on Friday will be Big BenRock Group Concert. I come maybethe 20-th of April. The concert willbe 30-th of April. The 2013 year.Will we coming? What do you thinkabout? Please write back. I will wait.