Connotations
... that the premiere of Aaron Copland's Connotations, on September 23, 1962, "sent shock waves through the world of music"?
... that the premiere of <a href="./Aaron_Copland" id="mw4w" rel="mw:WikiLink" title="Aaron Copland">Aaron Copland</a>'s <i id="mw5A"><b id="mw5Q"><a href="./Connotations_(Copland)" id="mw5g" rel="mw:WikiLink" title="Connotations (Copland)">Connotations</a></b></i>, on September 23, 1962, "sent shock waves through the world of music"?