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Travoprost. Travoprost, sold under the brand name Travatan among others, is a medication used to treat high pressure inside the eye including glaucoma. [ 4] Specifically it is used for open angle glaucoma when other agents are not sufficient. [ 5][ 4] It is used as an eye drop. [ 4] Effects generally occur within two hours.
This article is a list of piano brand names from all over the world. This list also includes names of old instruments which are no longer in production. Many of these piano brand names are "stencil pianos", which means that the company which owns the brand name is simply applying the name to a piano manufactured for them by another company,
Piano key frequencies. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4 ), tuned to 440 Hz (referred to as A440 ). [ 1][ 2] Every octave is made of twelve steps called semitones.
The current list retains the following numbering systems: [ 1] 15 sonatas — numbering of the piano sonatas according to Franz Schubert's Werke: Kritisch durchgesehene Gesammtausgabe – Serie 10: Sonaten für Pianoforte (Leipzig: Breitkopf & Härtel, 1888), the first publication that claimed to print the complete set of Schubert's piano sonatas.
Child operating talking storybook in 2017 using an elephant key. A zoo key is a large novelty key used to activate talking storybooks at American zoos. These were used by various zoos, largely in the latter half of the 20th century, as part of a system which played audio recordings describing exhibits. The keys were typically made from brightly ...
In a musical composition, a chord progression or harmonic progression (informally chord changes, used as a plural) is a succession of chords. Chord progressions are the foundation of harmony in Western musical tradition from the common practice era of Classical music to the 21st century. Chord progressions are the foundation of popular music ...
Piano tuning is the process of adjusting the tension of the strings of an acoustic piano so that the musical intervals between strings are in tune. The meaning of the term 'in tune', in the context of piano tuning, is not simply a particular fixed set of pitches. Fine piano tuning requires an assessment of the vibration interaction among notes ...
Here are some instruments that are considered to be among the easier ones to learn: Recorder. Ukulele. Harmonica. Bongos. Keyboard. In many schools, especially at the elementary level, students ...