Music glossary - Letter I
PLEASE CHOOSE A LETTER:
Imitation: Compositional technique in which a melodic idea is presented in one voice (or part), then restated in another while the first voice continues with new material.
Impromptu: A short piano piece, often improvisational and intimate in character.
Improvisation: Creation of a musical composition while it is being performed, seen in Baroque ornamentation, cadenzas of concertos, jazz, and some non-Western musics. See also embellishment.
Inflection: Small alteration of the pitch by a microtonal interval. See also blue note.
Instrumentation: Arrangement of music for a combined number of instruments.
Intermezzo: Short movement or interlude connecting the main parts of the composition.
Intonation: Degree of adherence to correct pitch. Good intonation implies close approximation of the pitch; poor intonation implies deviation from pitch.
Introduction: The opening section of a piece of music or movement.
Inversion: Mirror or upside-down image of a melody or pattern, found in fugues and 12-tone compositions.
Isorhythmic motet: Medieval and early Renaissance motet based on a repeating rhythmic pattern throughout one or more voices.
Istesso tempo: The same tempo. (The tempo remains as before, after a change was made)
Italian overture: Baroque overture consisting of three sections: