Welcome at the Spotify Community!
I'm sorry for replying in English, but most of our users are English or understand English.
I've translated your message. You've just got your 30 days premium trial, and ate unable to play music?
Have you already to tried to logout and login afterwards? Sometimes something simple as this already fixes the problem.
You may also try to fix it by reinstalling Spotify. To do that, please follow the steps in the link below: