Treasure Hunt

https://en.wikipedia.org/wiki/UEFA_Champions_League

                                                    Questions:
1) Who wrote Champions League anthem?
2) How much clubs won the title more than once?
3)Which country clubs have accumulated the highest number of victories of?
4) Who is the best striker in the history of Champioons League?
5) Who is the current champion of Champions League?

https://en.wikipedia.org/wiki/2015_UEFA_Champions_League_Final

                                                     Questions:
1) Who played at the Champions League Final at 2015?
2)What was the weather like?
3) Who won at the Champions League Final at 2015 and with which score?
4) Who was a man of the match?

                                                     General question:
                          When the UEFA Champions League was rebranded?