Tonality

Tonality is the arrangement of pitches and/or chords of a musical work in a hierarchy of perceived relations, stabilities, attractions, and directionality.

musical form

relationship among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys; geometrical representation of relationships among the 12 pitch classes of the chromatic scale in pitch class space

transition where a piece of music shifts between keys

In music, an ostinato (; , compare English obstinate) is a motif or phrase that persistently repeats in the same musical voice, frequently in the same pitch.

tonic note and chord of a musical piece

musical notation in which numerals/accidentals show chords to be played in relation to the bass note, used in Baroque music

major and minor scales with the same tonic

decision-making consideration when arranging voices in musical composition