<P> In music , modulation is most commonly the act or process of changing from one key ( tonic , or tonal center ) to another . This may or may not be accompanied by a change in key signature . Modulations articulate or create the structure or form of many pieces , as well as add interest . Treatment of a chord as the tonic for less than a phrase is considered tonicization . </P>
<P> In music , modulation is most commonly the act or process of changing from one key ( tonic , or tonal center ) to another . This may or may not be accompanied by a change in key signature . Modulations articulate or create the structure or form of many pieces , as well as add interest . Treatment of a chord as the tonic for less than a phrase is considered tonicization . </P>
what 's it called when a song changes key
what 's it called when a song changes key
modulation
modulation