Something that disturbs.
The act of disturbing, being disturbed.
A noisy commotion that causes a hubbub or interruption.
An interruption of that which is normal or regular.
A serious mental imbalance or illness.
A pleasing combination of elements, or arrangement of sounds.
A literary work which brings together or arranges systematically parallel passages of historians respecting the same events, and shows their agreement or consistency.
The relationship between two distinct musical pitches (musical pitches being frequencies of vibration which produce audible sound) played simultaneously.
The academic study of chords.
Agreement or accord.
Two or more notes played simultaneously to produce a chord.