The only other notable public appearance of the saxtubas occurred less than a month after the opera's première, on 10 May 1852, when twelve saxtubas participated in a military ceremony on the Champ de Mars, Paris, in which the President of the French Republic Louis Napoleon distributed the colours to his army.
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These pitches are known as the instrument's natural or normal modes of vibration, each one being a natural harmonic or open note.
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Their only other public appearance of note was at a military ceremony on the Champ de Mars in Paris in the same year.