书面表达 One possible version: Dear Bob, How is everything going? I'm writing to invite you to take part in a concert which will be held b y the music club of our school next weekend. know you are very fond of music and play the piano well so I want to play a beautiful song together with you at the concert. you have any interest and time,you can send the music you want to play to me and i we can do some preparation before the concert. I would really appreciate it if you could take my invitation into consideration. Looking forward to your reply. Yours, Li Hua