Playback device, playback method, and computer program

A playback method comprising:

• providing a first playlist identifying pieces of content arranged in a playback order;
• playing back content identified in the first playlist;
• acquiring, while the playback step is playing back content identified in the first playlist, at least one external playlist from outside, the external playlist, prior to being acquired, having at least two pieces of content that are common to content in the first playlist and having a playback order of at least two consecutive pieces of content that matches the playback order of pieces of content identified in the first playlist;
• and
• displaying the first playlist and the external playlist acquired by the playlist acquisition step such that the playlists are linked at positions of the matching consecutive pieces of content.

A non-transitory computer readable storage on which is stored a computer program for causing a computer to execute:

• playing back content identified in a first playlist that identifies pieces of content arranged in a playback order;
• acquiring, while the playback step is playing back content identified in the first playlist, at least one external playlist from outside, the external playlist, prior to being acquired, having at least two pieces of content that are common to content in the first playlist and having a playback order of at least two consecutive pieces of content that matches the playback order of pieces of content identified in the first playlist;
• and
• displaying the first playlist and the external playlist acquired by the playlist acquisition unit such that the playlists are linked at positions of the matching consecutive pieces of content.