Aspects of the present application correspond to generation of supplemental content based on processing information associated with content to be rendered. More specifically, aspects of the present application correspond to the generation of audio track information, such as music tracks, that are created for playback during the presentation of video content. Illustratively, one or more frames of the video content are processed by machine learned algorithm(s) to generate processing results indicative of one or more attributes characterizing individual frames of video content. A selection system can then identify potential music track or other audio data in view of the processing results.