1. An information processing device comprising: a content feature acquisition unit configured to acquire, based on additional information of content to be processed, a feature of the content; a music feature determination unit configured to determine, in reference to a table prepared in advance associating the feature of the content with a feature of music, the feature of the music based on the feature of the content; and a music data output unit configured to detect music that has the feature of the said music from a database and to present the information thereof as recommended music that matches the content, wherein the content feature acquisition unit acquires, as the feature of the content, a recording location based on information regarding a geographic position of recording of the content, and a category for an activity occurred at the time of recording of the content based on information regarding a change in an activity of a content recorder, wherein the music feature determination unit determines the feature of the music based on the recording location and the category for the activity.