14. The content selection system as recited in claim 10 , wherein the analyzer is further configured to generate color representations of the plurality of content based on the frequency data sampled from the content, to identify predominant colors in the color representations and to delete less predominant colors from the color representations to generate a plurality of colors representing moods in the content, and to associate the plurality of moods representing the content based on the plurality of colors.
17. The content selection system as recited in claim 14 , wherein the color representations of the plurality of content are based combinations of melodies, harmonies and rhythms in the plurality of content.