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in Italian or à deux
French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...
is a musical direction meaning "for two". Most often seen in its abbreviated form a2
, the marking signifies that on a staff that normally carries parts for two players, both players are to play the single part in unison
In music, the word unison can be applied in more than one way. In general terms, it may refer to two notes sounding the same pitch, often but not always at the same time; or to the same musical voice being sounded by several voices or instruments together, either at the same pitch or at a distance...
. It is generally seen in scores and parts where two players or sections of the same instrument share a staff. The instruction a2
indicates that both players or sections should play the notes indicated, while primo
(often abbreviated to 1.
) indicate that only a single player or section should play while the other remains tacet
Tacet is Latin for "it is silent". It is a musical term to indicate that an instrument or voice does not sound. In vocal polyphony and in orchestral scores, it usually indicates a long period of time, typically an entire movement...