The Rolling Stones released “The Spider and the Fly” fifty years ago July like “Like a Rolling Stone” but ten days later and with less of a bang but for being the B-side of “(I Can’t Get No) Satisfaction” in Britain tho tied by a thread — “Sittin’ thinkin’ sinkin’ drinkin’” — “drinkin’, thinkin’ that they got it made”  — the ancient form of weaving, a bawdy parlour song, “’Tis the prettiest little parlour that ever you did spy,” that superficially strings-in, title and plot, from a previous more virtuous verse.