I see I missed out the part after 'secondly', so

and secondly, no song has 'content' to be neatly decoded in some sort of uncontroversial right/wrong manner; all we can offer are interpretations which will always reflect our own social contexts. Vic Gammon is quite good on all this. "In that I fashion something out of these materials, I do that in terms of my own cultural and historical
perspectives. Future writers with different perspectives might find different things to write about in these same materials. We cannot escape being historically constituted subjects. " (From his book on drink, death and desire).