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1. A computer method for providing copies of a first media, comprising: during rendering of a first media together with a second media to a user, enabling a user to request information about the first media; in response to a user request, providing information about the first media to the user, where the information allows for purchasing of a copy of the first media; and enabling a purchase, by the user, of at least one copy of the first media. http://www.google.com/patents/US20090018898#v=onepage&q=television%20music%20purchase&f=false

Patent US20090018898 - Method or apparatus for purchasing one or more media based on a recommendation - Google Patents

Overview This document describes the TuneFind REST API. The API provides methods for reading most of the data found on TuneFind.com.

API

http://www.tunefind.com/api
You can call song/identify with GET or POST. Identifying songs with POST Posting tracks with /song/identify can be done in two manners http://developer.echonest.com/docs/v4/song.html#identify

Song API Methods — The Echo Nest v4.2 documentation