A method for surfacing auto-generated facts about a music library is provided. The method initiates with receiving from a client device a request to access an online music library associated with a user, the music library including a plurality of audio files, each of the audio files including audio data and metadata associated with the audio data. The metadata of the audio files in the music library are transmitted to the client device. A music application code is transmitted to the client device, the music application code configured to be executed by a browser application on the client device, the music application code including a fact template defining an analysis to be performed on the transmitted metadata and posting logic configured to display a result of the analysis performed according to the fact template in said browser application on the client device.