Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing knowledge panels with search results. In one aspect, a method includes obtaining search results that are responsive to a received query. A factual entity referenced by the query is identified. Content is identified for display in a knowledge panel for the factual entity. The content includes at least one content item obtained from a first resource and at least one second content item obtained from a second resource different than the first resource. Data is provided that causes the identified search results and the knowledge panel to be presented on a search results page. The knowledge panel presents the identified content in a knowledge panel area that is along side at least a portion of the search results.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for presenting secondary music search result links. In one aspect, a method includes receiving a search query. A plurality of search results that satisfy the search query are obtained. A presentation of the plurality of search results is generated, wherein a particular search result includes one or more secondary music search result links to respective music resources identified by markup language music data in a set of identified music web pages. The presentation of search results is provided in response to the search query.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for presenting secondary music search result links. In one aspect, a method includes receiving a search query. A plurality of search results that satisfy the search query are obtained. A presentation of the plurality of search results is generated, wherein a particular search result includes one or more secondary music search result links to respective music resources identified by markup language music data in a set of identified music web pages. The presentation of search results is provided in response to the search query.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing knowledge panels with search results. In one aspect, a method includes obtaining search results that are responsive to a received query. A factual entity referenced by the query is identified. Content is identified for display in a knowledge panel for the factual entity. The content includes at least one content item obtained from a first resource and at least one second content item obtained from a second resource different than the first resource. Data is provided that causes the identified search results and the knowledge panel to be presented on a search results page. The knowledge panel presents the identified content in a knowledge panel area that is along side at least a portion of the search results.