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.
By AllMusic Staff. Defined as a time period in the history of western music, the Classical era begins about 1735 and ends around 1825, overlapping a little with the surrounding periods of late Baroque and early Romantic music. What does the word Classical mean in this context?