a 1931 poem
... that a 1982 composition by David Sampson is based on a 1931 poem inspired by the ancient Greek Eleusinian Mysteries?
... that a 1982 composition by <a href="./David_Sampson_(composer)" id="mwBjU" rel="mw:WikiLink" title="David Sampson (composer)">David Sampson</a> is based on <b id="mwBjY"><a href="./The_Mysteries:_Renaissance_Choros" id="mwBjc" rel="mw:WikiLink" title="The Mysteries: Renaissance Choros">a 1931 poem</a></b> inspired by the ancient Greek <a href="./Eleusinian_Mysteries" id="mwBjg" rel="mw:WikiLink" title="Eleusinian Mysteries">Eleusinian Mysteries</a>?