Tempo

Tempo is one of the elements of interpretation through which the nature of an artist expresses itself. The piano teacher needs to make sure that tempo is observed and evaluated in the study of each composition. The student's ability to control and express his interpretation in piano classes will thereby grow in his capacity to be clear and expressive.

The general time gradations in the performance of a piece of music, sometimes called agogics,are important in determining the character of an interpretation. First of all, the rate of speed (tempo) of the piece as a whole should be determined. The composer usually indicates the tempo by such terms as andante, allegro, etc., though these terms are subject to various interpretations depending on the character of the music itself. Sometimes the tempo is indicated by a metronome mark, though even this is subject to variation under different conditions, as, for example, in recital halls of various sizes. Many compositions are printed without tempo indications, and then the general character of the music must determine the rate of speed of the performance.

After the general tempo has been decided comes the consideration of variations of speed during the performance, accelerandos, ritardandos, etc. The more important of these changes in the rate of speed are usually indicated by the composer, though there are infinite subtleties too delicate to be recorded in notation. For instance, an ascending passage sometimes pushes forward, and the close of a composition is liable to slow down somewhat. Few pieces should be played with metronomic precision in classical music tempo - ebb and flow is very desirable. These variations should not be overdone, though, since the effect of exaggeration is as inartistic as is clock-like metronomic regularity. On the other hand, it is important to develop the ability to maintain a given tempo, without hurrying or slowing down.

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