My friend is addicted to Trololo! How can I help him!?

http://youtu.be/SDiYBwOo5BA?hd=1

Hi everyone, K&O here again.
Here is our second video we wanted to share with you.
Help me help Oliver!!!
How would you help him get rid of this Trololo problem?
Suggest some ideas and we may just use it for our next video!