Rhapsody
... that Frederick Ashton choreographed the ballet Rhapsody for both Queen Elizabeth The Queen Mother's 80th birthday, and Mikhail Baryshnikov's guest appearance with the Royal Ballet?
... that <a href="./Frederick_Ashton" id="mwgQ" rel="mw:WikiLink" title="Frederick Ashton">Frederick Ashton</a> choreographed the ballet <i id="mwgg"><b id="mwgw"><a href="./Rhapsody_(Ashton)" id="mwhA" rel="mw:WikiLink" title="Rhapsody (Ashton)">Rhapsody</a></b></i> for both <a href="./Queen_Elizabeth_The_Queen_Mother" id="mwhQ" rel="mw:WikiLink" title="Queen Elizabeth The Queen Mother">Queen Elizabeth The Queen Mother</a>'s 80th birthday, and <a href="./Mikhail_Baryshnikov" id="mwhg" rel="mw:WikiLink" title="Mikhail Baryshnikov">Mikhail Baryshnikov</a>'s guest appearance with <a href="./The_Royal_Ballet" id="mwhw" rel="mw:WikiLink" title="The Royal Ballet">the Royal Ballet</a>?