operas by Claudio Monteverdi
... that the earliest of the three surviving operas by Claudio Monteverdi, L'Orfeo from 1607, is the oldest extant opera still regularly performed today?
... that the earliest of the three surviving <b id="mwAWg"><a href="./List_of_operas_by_Claudio_Monteverdi" id="mwAWk" rel="mw:WikiLink" title="List of operas by Claudio Monteverdi">operas by Claudio Monteverdi</a></b>, <i id="mwAWo"><a href="./L'Orfeo" id="mwAWs" rel="mw:WikiLink" title="L'Orfeo">L'Orfeo</a></i> from 1607, is the oldest extant opera still regularly performed today?