Systems are provided to enable users of a streaming media playback system to access play-lists generated automatically based on input of a plurality of users regarding previously played media resources, and to provide user input regarding the media resources of the play-lists. The user input regarding media resources may be received from a plurality of users using a plurality of playback interfaces executing on a plurality of internet enabled multimedia computing platforms. A rating component determines rating information from the user inputs provided by the plurality of users and modifies the rating information in an organizational data structure that describes rating information for the media resources. The system further includes a play-list generator adapted to generate and store or dynamically generate at least one play-list at least based on the rating information in the organizational data structure.