Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Cos. to Sell Songs on File-Share Service (AP) AP - Three major recording companies have agreed to make their music available to be shared and sold over a new online file-swapping service that aims to lure music fans away from rival services where trading of music and movies remains unfettered.

Sci/Tech