1. A computer-implemented method comprising: maintaining a list of music sites, wherein a music site is a web site that provides access to music or music information; receiving a query; obtaining a plurality of search results responsive to the query, the search results being results from a search of web resources on the Internet; determining a count of the plurality of search results that identify resources on respective music sites that are in the list of music sites; determining that the query is a music query including determining that the count of the plurality of search results that identify resources on respective music sites satisfies a threshold; in response to determining that the query is a music query, obtaining music data for a song responsive to the query, where the music data comprises a Uniform Resource Locator (URL) of song content of the song on the Internet; generating a music answer box for the query, where the music answer box comprises the music data and a link to the URL of the song content; and providing the music answer box in addition to two or more of the search results.
1. A computer-implemented method comprising: maintaining a list of music sites, wherein a music site is a web site that provides access to music or music information; receiving a query; obtaining a plurality of search results responsive to the query, the search results being results from a search of web resources on the Internet; determining a count of the plurality of search results that identify resources on respective music sites that are in the list of music sites; determining that the query is a music query including determining that the count of the plurality of search results that identify resources on respective music sites satisfies a threshold; in response to determining that the query is a music query, obtaining music data for a song responsive to the query, where the music data comprises a Uniform Resource Locator (URL) of song content of the song on the Internet; generating a music answer box for the query, where the music answer box comprises the music data and a link to the URL of the song content; and providing the music answer box in addition to two or more of the search results. 7. The method of claim 1 , wherein maintaining a list of music sites comprises: receiving a search result that identifies a site, the search result having an associated title or URL; determining that the site is a music site including determining that the title or URL of the search result follows an artist name and song title pattern; and adding the site to the list of music sites.