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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.
Ludwig van Beethoven's Piano Sonata No. 26 in E ♭ major, Op. 81a, known as Les Adieux ("The Farewell"), was written during the years 1809 and 1810. This sonata was influenced by Jan Ladislav Dussek's sonata with the same nickname. The title Les Adieux implies a programmatic nature.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
A song is usually in a certain key, which is usually the note that the song ends on, and is the base frequency around which it resolves to at the end. The base-frequency is usually called the harmonic or key center. Being on-key presumes that there is a key center frequency around which some portion of notes have well defined intervals to.
In a typical keyboard layout, black note keys have uniform width, and white note keys have uniform width and uniform spacing at the front of the keyboard. In the larger gaps between the black keys, the width of the natural notes C, D and E differ slightly from the width of keys F, G, A and B. This allows close to uniform spacing of 12 keys per ...
Jan Ladislav Dussek's Piano Sonata No. 18 in E ♭ major, Op. 44, known as Les Adieux ("The Farewell"), was written and published in 1800. It was dedicated to Dussek's fellow composer and virtuoso pianist, Muzio Clementi. This sonata is the longest of Dussek's piano sonatas.
A transposing piano is a special piano with a mechanism (operated by a pedal or lever) that changes the keyboard position relative to the action (see Development of the modern piano for details). This transposes (changes the key of) any particular keyboard fingering.
prepared piano, i.e. introducing foreign objects into the workings of the piano to change the sound quality; string piano, i.e. hitting or plucking the strings directly or any other direct manipulation of the strings; sound icon, i.e. placing a piano on its side and bowing the strings with horsehair and other materials