music Music is the arrangement of sound to create some combination of Musical form, form, harmony, melody, rhythm, or otherwise Musical expression, expressive content. Music is generally agreed to be a cultural universal that is present in all hum ...

and

musical form In music, ''form'' refers to the structure of a musical composition or musical improvisation, performance. In his book, ''Worlds of Music'', Jeff Todd Titon suggests that a number of organizational elements may determine the formal structure of a ...

, contrast is the difference between parts or different instrument sounds. The three types of contrast are

rhythm Rhythm (from Greek , ''rhythmos'', "any regular recurring motion, symmetry") generally means a " movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions". This general meaning of regular r ...

ic contrast,

melodic A melody (), also tune, voice, or line, is a linear succession of musical tones that the listener perceives as a single entity. In its most literal sense, a melody is a combination of pitch and rhythm, while more figuratively, the term c ...

contrast, and

harmonic In physics, acoustics, and telecommunications, a harmonic is a sinusoidal wave with a frequency that is a positive integer multiple of the ''fundamental frequency'' of a periodic signal. The fundamental frequency is also called the ''1st har ...

contrast. Procedures of contrast include stratification,

juxtaposition Juxtaposition is an act or instance of placing two opposing elements close together or side by side. This is often done in order to Comparison, compare/contrast the two, to show similarities or differences, etc. Speech Juxtaposition in literary ...

, and

interpolation In the mathematics, mathematical field of numerical analysis, interpolation is a type of estimation, a method of constructing (finding) new data points based on the range of a discrete set of known data points. In engineering and science, one ...

. Procedures of connection include gradation,

amalgamation Amalgamation is the process of combining or uniting multiple entities into one form. Amalgamation, amalgam, and other derivatives may refer to: Mathematics and science * Amalgam (chemistry), the combination of mercury with another metal **Pan ama ...

, and dissolution. Harmonic contrast means to have a change in keys or chords or even cadences. Contrast is not only a way of adding interest, and difference in a song, but is essential to the aesthetic illusion of dramatic resolution of conflict.Laney, R., Samuels, R., Capulet, E. Cross Entropy as a Measure of Musical Contrast. In the proceedings of Mathematics and Computation in Music 2015, International Publishing. Contrast is a sector that provides a sub-conscious break to absorb the material from the main expository piece.

References

Musical techniques Musical texture {{Music-theory-stub