I've noticed they played Vivaldi at the office of the local government in Linz, Upper Austria outside of office hours. To be precise they only play "Spring" fro

I've noticed they played Vivaldi at the office of the local government in Linz, Upper Austria outside of office hours. To be precise they only play "Spring" from the "Four Seasons". I actually find it quite pleasant when just walking by, but I guess the repetition alone can be an effective deterrent to loiterers.