The EkaPad is a 12-key chorded keyboard operated with the four fingers of one hand.

Groven built an organ internally equipped with 36 tones to the octave which had the ability to adjust its tuning automatically during performances ; the performer plays a familiar 12-key ( per octave ) keyboard and in most cases the mechanism will choose from among the three tunings for each key so that the chords played sound virtually in just intonation.

* EkaPad one-handed, 12-key, chording keyboard

A keyset or chorded keyboard ( also called a chorded keyset, chord keyboard or chording keyboard ) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a " chord " on a piano.

The earliest known chord keyboard was part of the " five-needle " telegraph operator station, designed by Wheatstone and Cooke in 1836, in which any two of the five needles could point left or right to indicate letters on a grid.

The first widespread use of a chord keyboard was in the stenotype machine used by court reporters, which was invented in 1868 and is still in use.

In 1874, the five-bit Baudot telegraph code and a matching 5-key chord keyboard was designed to be used with the operator forming the codes manually.

The Perkins Brailler, first manufactured in 1951, uses a 6-key chord keyboard ( plus a spacebar ) to produce braille output, and has been very successful as a mass market affordable product.

" Their system presented an alternative approach to the emerging head-up display plus chord keyboard wearable.

Its input devices were a custom detachable keyboard, a three-button mouse, and an optional 5-key chord keyset.

Eventually, the original two themes of the fugue burst out loudly again and the work races impetuously toward its final climax, a crashing chord and a grand sweep of arpeggios twice down and up the entire keyboard.

The feel of the song, especially when played live, has been seen as akin to house music and minimal techno due to its keyboard part, which plays an ascending chord sequence in a syncopated rhythm, alongside a steady, synthetic bass drum.

For other things, without careful advance user customization, the program makes what can be described as " a good guess ", especially in the area of enharmonic spelling of newly-entered data generated from a MIDI keyboard, while respecting the current key signature: it is smart enough to spell F-sharp rather than G-flat in a D dominant 7th ( the dominant or fifth of the dominant ) chord in C minor ; but for other chords, such as a G major 7 + 5 ( major seventh chord with an augmented fifth ), it may occasionally use G-flat instead of F-sharp.

Velotype is the old trademark for a type of keyboard for typing text known as a syllabic chord keyboard, an invention of the Dutchmen Nico Berkelmans and Marius den Outer.

The keyboard is an orthographic chord keyboard, very different from chorded phonetic keyboards used for verbatim transcription, like the Stenotype.

For example, when the auto accompaniment feature is on, and the performer presses a " C " note in the low range of the keyboard, the auto accompaniment feature will play a C Major chord.

The keyboard plays a chord voicing and rhythm which is appropriate for the selected genre.

Lifting up his heart in a brief prayer to Almighty God, he then laid his hands on the keyboard, striking a chord in A flat.

Thirty-seven tracks were sustained or repeatedly percussive notes in the timbre of a particular instrument and were played through a standard three-octave piano-style keyboard with the right hand ; twenty-one were of a live band or soloist playing chords in different keys arranged per the circle of fifths, specifically B-flat, F, C, G, D, A and E major, minor, and diminished and were played with the left hand in much the style of a chord organ or accordion.

On C, from the point P at Af to the point Q at Af, we construct the chord, and upon the chord as a side erect a square in such a way that as S approaches zero the square is inside C.

And a blaring final chord from the jazz group.

The elegant, harmonically-advanced music in this musical pays indirect homage to the compositions of Maurice Ravel, especially his Valses nobles et sentimentales ( whose opening chord is " borrowed " for the opening chord of the song " Liaisons "); part of this effect stems from the style of orchestration that Jonathan Tunick used.

His ideas of the future had a remarkable degree of realism and immediacy, striking a chord with an American audience slowly recovering from the Great Depression and that was longing for prosperity.

The chords are typically derived from the 7th tone of its corresponding scale ( see Seventh chord ) and can consist of ii-V-i progressions or improvisational comping.

Jazz guitarists also have to learn how to add in passing tones, use " guide tones " and chord tones from the chord progression to structure their improvisations.

Jazz guitar players tend to improvise around chord / scale relationships, rather than reworking the melody, possibly due to their familiarity with chords resulting from their comping role.

The move away from traditional tonality in opera had begun with Richard Wagner, and in particular the Tristan chord.

The main theme can be described as a celebratory version of the original theme from Tomb Raider, as similar chord and instruments are used in the piece.

The very first chord in the piece, the Tristan chord, is of great significance in the move away from traditional tonal harmony as it resolves to another dissonant chord:

Jazz critic Harvey Pekar has also pointed out that one of Django Reinhardt's recorded improvisations strays drastically from the chord changes of the established piece.

The four key distinguishing elements ( not always all present ) of progressive bluegrass are instrumentation ( frequently including electric instruments, drums, piano, and more ), songs imported ( or styles imitated ) from other genres, chord progressions, and lengthy " jam band "- style improvisation.

The bassist, in a modal context, is not required to ' walk ' from one important chord tone to that of another in order to make each chord change sound, in the same way required in conventional bebop or hard bop compositions ; rather, he or she is free to improvise bass lines that may highlight or emphasize particular scale degrees within a specific mode ( e. g., a bass line that is constructed to highlight the 6th degree during a Dorian chord ).

Similarly, the comping instrument is not confined to play the standard chord voicings of the bop lexicon, but rather can play chord voicings based upon differing pitch combinations from the parent mode.

"), Hammond organ ( on " With a Little Help from My Friends "), and piano ( on " Getting Better " and the solo in " Lovely Rita "); final harmonium chord.

* Northern lights chord, from Ernst Krenek's Cantata for Wartime ( 1943 )

Rafferty's onscreen image as a lanky, laconic bushman struck a chord with film goers and appeared in iconic early Australian films as Forty Thousand Horsemen, The Rats of Tobruk, The Overlanders and Eureka Stockade ( Overlanders and Eureka were part of a series of Australian themed films produced by Britain's iconic Ealing Studios ).

While their records had previously been available in the U. S. solely through import, in 1986, Shonen Knife managed to strike a chord with the American underground rock scene when one of their tracks, " One Day of the Factory ," appeared on a Sub Pop 100 compilation.

He signed a number of endorsements and appeared in commercials in Australia, most famously in his ads for the new breakfast cereal " Nutri-Grain ", where his catchphrase " It's just like a cricket bat with holes " struck a chord.

The song centres around a signature chord progression, which first appeared on Page's home-studio work tapes.

His call for party unity struck a chord with delegates, and it appeared as though he might lead on the first ballot.

During 2010 – 2011, Storm Large appeared as a vocalist with Pink Martini while China Forbes recovered from vocal chord surgery.

It also appeared on The Live Adventures of Mike Bloomfield and Al Kooper in 1969, where its chord progression morphed into " Hey Jude ".