In music, the mediant is the third degree of the diatonic scale, being the "middle" note of the tonic triad. Music is an Art form in which the medium is Sound organized in Time. In Music theory, a scale degree is the name of a particular note of a scale in relation to the tonic (the note of the scale that is considered In Music, a scale is a group of musical notes collected in ascending and descending order that provides material for or is used to conveniently represent part or all In Music, the term note has two primary meanings 1 a sign used in Musical notation to represent the relative duration and pitch of a Sound; The tonic is the first note of a musical scale in the tonal method of Musical composition. In Music and Music theory, a triad is a three- note chord that can be stacked in thirds

In music theory, the mediant chord is symbolized by the Roman numeral III if it is major or iii if it is minor. Music theory is the field of study that deals with the Mechanics of music and how Music works Roman numerals are a Numeral system originating in ancient Rome, adapted from Etruscan numerals.

For example, in the C major scale (white keys on a piano, starting on C), the mediant is the note E; and the mediant chord is E-minor consisting of the notes E, G, and B. In Music theory, the major scale or Ionian scale is one of the diatonic scales It is made up of seven distinct Notes plus an eighth This article describes musical chords in traditional Western styles Therefore, Em is the iii chord in the C major scale. Also, in the A natural minor scale (same white keys, but now starting on A), the medient is the note C; and the mediant chord is C (or C-major) consisting of the notes C, E, and G. Minor Scale was a test conducted by the United States Defense Nuclear Agency (now part of the Defense Threat Reduction Agency) involving the detonation Therefore, C is the III chord in the A (natural) minor scale.

"Mediant" also refers to a relationship of musical keys. For example, relative to the key of A (natural) minor, the key of C major is the mediant, and often serves as a mid-way point between I and V (hence the name). Tonicization or modulation to the mediant is quite common in pieces written in the minor mode, and usually serves as the second theme group in sonata forms, since it is very easy to tonicize III in minor (no need to alternate notes). In Music, tonicization is the treatment of a pitch other than the overall tonic as a temporary tonic in a composition. In Music, modulation is most commonly the act or process of changing from one key ( tonic, or tonal center) to another Sonata form is a Musical form that has been used widely since the early Classical period. Tonicization of III in major is quite rare in classical harmony, compared with, say, modulation to the V in major, but mediant tonicization in major is an important feature of late romantic music. In Music, the dominant is the Fifth degree of the scale. For example in the C Major scale (white keys on a piano starting with C the Romantic Music is a Musicological term referring to a particular period theory compositional practice and canon in European music history from about 1815 to 1910

In German theory derived from Hugo Riemann the mediant in major is considered the dominant parallel, Dp, and in minor the tonic parallel, tP. Karl Wilhelm Julius Hugo Riemann ( July 18, 1849 - July 10, 1919) was a German musicologist. In Music theory, the dominant parallel is terminology used in German theory derived mainly from Hugo Riemann, Dp in major and dP in minor is the (US relative In Music theory, the tonic parallel is a Diatonic function. It is the relative to the tonic, and is thus considered to have or fulfill the function