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Keyboard of a Letter-Printing Telegraph Set built by Siemens & Halske in Saint Petersburg, Russia, ca. 1900. A number of percussion instruments—such as the xylophone, marimba, vibraphone, or glockenspiel— have pitched elements arranged in the keyboard layout.
A similar keyboard was developed by Larry Hanson [4] in 1942 for use with a 53 tone scale but turns the fifth sideways and the major third to the right and up. Keyboard note layout of the Harmonetta. The modern layout was proposed in 1983 by inventor Peter Davies, who obtained an international patent for its use in instruments in 1990.
An isomorphic keyboard is a musical input device consisting of a two-dimensional grid of note-controlling elements (such as buttons or keys) on which any given sequence and/or combination of musical intervals has the "same shape" on the keyboard wherever it occurs – within a key, across keys, across octaves, and across tunings.
A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...
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 ...
Thus, e. g. the Yen symbol “¥” occupies the shifted position on the 6th letter key of the second row, whether this is the Y key on a QWERTY keyboard (like the US layout) or the Z key on a QWERTZ keyboard (like the German layout). ISO/IEC 9995-3:2010 applied to the US keyboard layout
The orchestra is divided into four groups (five if a keyboard instrument is used) and specified as follows: [1] Woodwind instruments: flutes, oboes, clarinets, saxophones (if one or more are needed), bassoons; Brass instruments: horns, trumpets, trombones, tubas; Percussion: timpani, snare drum, bass drum, chimes, etc.
The keyboard is placed left of centre, and the strings are plucked at one end, although farther from the bridge than in the harpsichord. This is the more common arrangement for modern instruments, and an instrument described simply as a "virginal" is likely to be a spinet virginals.