I
Impromptus of Schubert, [165]-[166].
Indian Suite, [80].
invention, [11].
Invention in C major, analysis of, [38]-[89].
inversion, definition of, [43]-[44].
Ionian mode, [24].
Ireland, John, [329].
Irish Folk-song, [29], [35].
Istar, Symphonic Poem of d'Indy, as example of a varied air, [89];
analysis of, [283]-[287].
Italian Overture, [119].