Reduta Theatre
... that during his performance in the Reduta Theatre at age 11, Mozart was dissatisfied with the sound of the trumpets?
... that during his performance in the <b id="mwD0g"><a href="./Reduta_Theatre" id="mwD0k" rel="mw:WikiLink" title="Reduta Theatre">Reduta Theatre</a></b> at age 11, <a href="./Wolfgang_Amadeus_Mozart" id="mwD0o" rel="mw:WikiLink" title="Wolfgang Amadeus Mozart">Mozart</a> was dissatisfied with the sound of the <a href="./Trumpet" id="mwD0s" rel="mw:WikiLink" title="Trumpet">trumpets</a>?