Schwyzerörgeli

The Schwyzeroergeli is a type of diatonic button accordion used in Swiss folk music. The name derives from the town/canton of Schwyz where it was developed. "Oergeli" is the diminutive form of the word "Orgel" (organ). Outside of Switzerland the instrument is not well known and hard to find.

The accordion was brought to Switzerland in the 1830s, soon after its invention in Vienna. The earliest accordions were the typically one- or two-row diatonic button accordions, which carried on in Switzerland as the "Langnauerli", named for Langnau in canton Bern. The Langnauerli usually has one treble row of buttons and two bass/chord buttons on the left hand end, much like the accordion used in Cajun music (minus the stops), but is sometimes seen with 2 or 3 rows on a stepped keyboard. The Schwyzeroergeli was a further development from the 1880s, with changes in the treble fingering and a flat keyboard (not stepped), and unisonoric basses.

The early makers including Eichhorn (Schwyz) and Nussbaumer (Bachenbülach) experimented with different arrangements and numbers of buttons. The typical Schwyzeroergeli today has 18 bass buttons arranged in two rows (one for bass notes and one for major chords), and 31 treble buttons on the RH arranged in 3 rows with a fingering similar to the 'club' system. The basses progress in 4ths like the Stradella system seen on chromatic and piano accordions, but in the opposite direction. Some Schwyzeroergelis have fewer buttons in the upper/inside row on the RH much like the club models, or more buttons - sometimes an extra row on the outside - and fewer or more basses. Since Swiss music rarely uses minor chords, even Oergelis with 4 bass rows usually have no minor chords but majors and 7ths instead. The only other variety still being made in substantial numbers today is the Schwyzeroergeli with chromatic fingering - usually with a C system (C-Griff) treble side and Stradella bass fingering.

As most diatonic accordions are centered around certain keys, the Schwyzeroergeli is usually tuned in 'flat' keys to fit with the clarinet, with the outer row giving a Bb scale, the next row Eb, and the next giving a mixture of notes allowing music to be played in Ab, Db and Gb when fingered across the rows. Of course this means each key has a different fingering. This instrument is labelled a 'B-Oergeli' or 'B/Es' (Bb/Eb). Less common keys are A/D, C/F and B/E.

The Schwyzeroergeli has a unique tuning (tone, voicing), called "Schwyzerton". On the treble side, each button has 3 sets of reeds, with one main set and two other sets an octave higher than the first, each tuned slightly apart to give a somewhat tremolo sound. The reeds are arranged around one big reed block with a tone chamber inside, rather than a separate reed block for each row like most accordions. Some Oergelis only have 2 sets of reeds tuned an octave apart, Bandonion-style. The Oergeli with 2 sets of treble reeds of the same octave, tuned slightly apart (tremolo or 'wet'), is called a "Wieneroergeli" (Viennese Oergeli) because of the 'Viennese' tuning which is widespread among button accordions around the world such as those made by Hohner and the Steirische Harmonika. The internal construction (RH reed blocks) of this Oergeli also is not like the others but more like other accordions, but the fingering and the appearance is of the typical Schwyzeroergeli. In Canton Bern, there is a variety of Schwyzeroergeli called the Berneroergeli, pioneered by Ernst Salvisberg, distinguished primarily by a beveled bass end and usually dry tuning (no tremolo).

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