You've seen the 7" single trailer version (800+ words), which appeared in The Sunday Independent on November 10th.
http://www.independent.ie/entertainment/books/book-reviews/book-review-susan-sontags-cultural-missions-30726273.html
Now read the 12" extended version / album track (2500 + words), which has just been published in the Christmas edition of the Dublin Review of Books:
http://www.drb.ie/essays/saved-by-rock-n-roll?utm_medium=email&utm_campaign=The+Dublin+Review+of+Books+mid-December+2014&utm_content=The+Dublin+Review+of+Books+mid-December+2014+CID_42ecad7cb4e2568e90efe6750f744e02&utm_source=Email%20marketing%20software&utm_term=Saved%20by%20Rock%20n%20Roll