I urgently need you to check this mail, Writeacher. I also included a few other sentences. Thank you very much.

1)I'm Mr. ....., the father of ...,who will be taking a summer course in Oxford from ... to..
2) I just wanted to know if you have received all the required documents as well as the deposit of ...,
3) I sent you all the above mentioned (documentation?).. last week.
Would you please let me know if everything is all right?
4) Programmes like X Factor have a bad influence on people because they make them believe that one doesn't need to work hard to become successful/to achieve success/fame (are all possible?)
5) When a singer or band gets to number one, they have already been on tour many times.
6) A singer achieves success after working hard and having been on tour.
I went on a tour of the USA.

2 answers

Period at the end of #2.

3. Could be "documentation" or "paperwork" -- both are fine.

4, 5, and 6 - All are fine.
O.o