The excess mucus production that triggers postnasal drip has a number of possible causes, including: 1  Colds. 2  Flu. 3  Allergies (called allergic postnasal drip). 4  Sinus infection or sinusitis (inflammation of the sinuses). 5  Object stuck in the nose (more common in children).
1. classical music-traditional genre of music conforming to an established form and appealing to critical interest and developed musical taste. classical, serious music. chamber music-serious music performed by a small group of musicians.
program music. 1. music intended to convey an impression of a definite series of images, scenes, or events. Compare absolute music. Some critics go so far as to deny the right of existence to all program music. Few pieces of program music are so closely associated with the subject as this tone picture of the Devil's Round.