Consonance and dissonance
Like most art forms, music is all about light and shade – you need a blend of both. In this regard, two of the main things to consider when composing a piece of music are consonance and dissonance. It’s all to do with the intervals between note pitches. If we take two notes and count the number of semitones between their pitches, the result is known as an interval, and each different interval can be labeled either consonant or dissonant.
The dictionary definition of consonance is ‘harmony and agreement among components’, so consonant intervals are usually pleasant to listen to, fostering a sense of agreeable wellbeing and satisfaction. A dissonant interval, however, just generally
