Guerilla campaign for the Berlin Suchthilfe, the Berlin drug awareness organisation.
Copy: Nicht alle drogen sind so harmlos wie musik.
Not all drugs are as harmless as music.
400 poster were distributed through Berlin. But, if I understand it right, after too many noise and juridical problems with Apple the posters are removed.
The only images I could find are published at Flickr.
LittleJohn from Advertising for peanuts made a post about these kind of ads and I think he’s got a point.