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Hi, thanks to all. None of these were on my list and quite a few surprises. Surprised to see the roll-call of names in Neil Diamond's lyric "Done Too Soon," which I thought I knew. Overnight I added two songs of my own - "Dangling Conversations" by Simon & Garfunkel, which mentions poets Robert Frost and Emily Dickinson and the Beachs 1970s hit "Califorbnia Saga" which name-checks the 1962 Nobel Prize winner John Steinbeck.
I also posted this teaser on the Arts & Literature site, from where a deluge of responses came.