txtDefinition=In music, the compass (or extent) of a {\uldb theme,}{\v 99088} {\uldb chord,}{\v 76801} {\uldb voice,}{\v 105907} or {\uldb instrument}{\v 84565} from its lowest to its highest {\uldb pitch}{\v 92779}. For example, \'93The {\uldb cello}{\v 76489} enjoys a range of more than three {\uldb octaves}{\v 90046}.\'94 Or, \'93The theme encompasses the range of an octave.\'94 The example shows off most of the range\'97from low to high\'97of the {\uldb viola}{\v 105422}, the instrument Mozart played most often in {\uldb quartets}{\v 154839}.
