Button-Accordion Project
(Dual-row G-C or A-D, with Accidentals)
Based on tunes2play4fun.com & Facilitated by ZOOM
MINI-COURSE BA1
The Button Accordion, its Music & Notation
UNIT TWO (of SIX)
Simple Notation for Very-Familiar Song-Melodies
(Dual-row G-C or A-D, with Accidentals)
Based on tunes2play4fun.com & Facilitated by ZOOM
MINI-COURSE BA1
The Button Accordion, its Music & Notation
UNIT TWO (of SIX)
Simple Notation for Very-Familiar Song-Melodies
SLIDE SET - INSTRUCTIONAL SESSION TWO
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First, the treble end of the accordion:
Each button is connected by a lever mechanism to an elongated cover. When lifted, a pair of holes is exposed, corresponding to a "pair" of reeds that can give us the associated musical note. |
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Here because of the camera angle, only one of the two holes can be seen when button 5 is pressed, and its elongated cover is lifted.
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The ten reed plates in each of the two rows are matched to the ten treble buttons.
When a button is pressed, and the bellows pushed (for example), the air flows through two holes to activate two very similar metal reeds (one on each opposite reed plate). Longer reeds give lower-pitched notes, and shorter reeds give higher-pitched notes. |
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Next, the bass end of the accordion:
Controlling the bellows and air-flow is an essential part of playing the accordion. You do not want to run out of air-flow while playing, either on the push or the pull. The air-lever can help you quietly gain or release air from the bellows. |
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For this single-row button-accordion, two of the bass buttons (1 & 3) connect by a lever mechanism to elongated hole covers and control the flow through three holes, corresponding to the three notes that make a chord.
The other two (2 & 4) connected to smaller hole covers and control the flow past two bass reeds that give us the bass-note sound. |
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Here we can see the three holes that are uncovered when bass button 1 is pressed. On the other side of these three holes are three reed plates, with three reeds sounding on the push and another three sounding on the pull.
Playing multiple notes at the same time gives us a chord. A three-note chord is sometimes called a triad. |
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Since we have only two chord buttons (giving three notes each), we only need six reed plates (or 12 reeds).
The bass-note reeds are "hidden" in the block on the left. They are opposite the air holes that are opened by the bass-note buttons. |
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