[< PREV] [NEXT >]
[ Return to Top Page ]
Glossary of Terms
bellows release The button on the left side used to let air enter and exit the bellows without passing through a reed.
Presenting two different notes on press and draw .
Arranged to suit the requirements of a scale other than the chromatic scale, such as a major scale.
Pulling the bellows apart to draw air in through the reeds whose valves are open.
fingering system
The arrangement of the buttons on an accordion and the order of assignment of notes to those buttons.
helper accidentals
Buttons with assigned notes which fall outside the diatonic system, notes often needed by players but which either
  • do not appear on the instrument at all
  • or appear only in one bellows direction
home key
That major key of the instrument which may be played either all as draw notes or all as press notes. The home row is in that key.
home note
The first (lowest-pitched) appearance of the tonic note of the home row 's scale on the home row.
home row
The row of a multiple-row button accordion which is the row central to the diatonic arrangment of notes on the instrument. On a G/C/F accordion, C is the home key and the C row is the home row. Also called the I row .
I row
The"One row" is the home row of the instrument.
International System
The fingering system used by the Acordeon Conjunto Norteño. It is a diatonic system similar to that used by the harmonica, replicated thrice. The International System is discussed in the Guide.
Pressing the bellows together to force air out through the reeds whose valves are open.
relative chord
That naming for a chord which refers to the diatonic step number of some scale instead of the key name. See relative note .
relative note
A note expressed as the roman number relative to the first step of a scale, or, by extension, relative to the home key of the instrument.
Presenting the same note on both press and draw .
wet tuning
Tuning paired reeds which sound for a single note some small interval apart to create an audible beat or vibrato. E.g., if two reeds sounding at once are tuned 4 Hz apart, there will be a 4 Hz vibrato between the two.

[< PREV] [NEXT >]
[ Return to Top Page ]
Jacques Delaguerre