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96-button Stradella bass layout on an accordion. C is in the middle of the root note row. The Stradella Bass System (sometimes called [1] standard bass) is a buttonboard layout equipped on the bass side of many accordions, which uses columns of buttons arranged in a circle of fifths; this places the principal major chords of a key (I, IV and V) in three adjacent columns.
The "quint" free-bass system invented by Willard Palmer – later patented by Titano, has extra bass rows to extend the existing bass arrangement of the Stradella system. [6] The quint version and chromatic-button versions were available in "converter" (or "transformer") models with a control to switch from standard Stradella to free-bass. [7]
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...
The bass-side keyboard is usually the Stradella system or one of the various free-bass systems. Included among chromatic button accordions are the Russian bayan and Schrammel accordion. There can be 3 to 5 rows of vertical treble buttons. In a 5 row chromatic, two additional rows repeat the first 2 rows to facilitate options in fingering.
Tuning machines (with spiral metal worm gears) are mounted on the back of the headstock on the bass guitar neck. The standard design for the electric bass guitar has four strings, tuned E, A, D and G, in fourths such that the open highest string, G, is an eleventh (an octave and a fourth) below middle C, making the tuning of all four strings the same as that of the double bass (E 1 –A 1 –D ...
Bass, electric bass, 6-string bass, contrabass guitar Essentially a 4-string bass with either added high and low strings. Guitar, bass (8-string) 8 strings 4 courses. E 2 E 1 •A 2 A 1 •D 3 D 2 •G 3 G 2: Eight-string bass guitar, 8-string bass US Essentially a 4-string bass with each string doubled at the upper octave. Guitar, bass (12 ...
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...
String diagrams are made of boxes:, which represent processes, with a list of wires coming in at the top and at the bottom, which represent the input and output systems being processed by the box . Starting from a collection of wires and boxes, called a signature , one may generate the set of all string diagrams by induction: