Agnus Dei
... that Samuel Barber derived his choral composition Agnus Dei (Lamb of God) from his successful Adagio for Strings, showing "the work's sense of spirituality"?
... that <a href="./Samuel_Barber" id="mwDk0" rel="mw:WikiLink" title="Samuel Barber">Samuel Barber</a> derived his choral composition <i id="mwDk4"><b id="mwDk8"><a href="./Agnus_Dei_(Barber)" id="mwDlA" rel="mw:WikiLink" title="Agnus Dei (Barber)">Agnus Dei</a></b></i> (<i id="mwDlE">Lamb of God</i>) from his successful <i id="mwDlI"><a href="./Adagio_for_Strings" id="mwDlM" rel="mw:WikiLink" title="Adagio for Strings">Adagio for Strings</a></i>, showing "the work's sense of spirituality"?