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Allow the user to search for a list of artists through the Spotify API using AngularJS. After retrieving a list of artists order them by popularity. Allow the user to get songs the artist has recorded by clicking on the artist's name. Songs should appear below the artist's name. Allow the user to play a preview of a song by clicking on the track name.
Use the following components to complete this task (AngularJS, the Spotify API, Twitter Bootstrap) You may use these sources of documentation: