There are several bellow-driven instruments. But most people are only familiar with the accordion. So naturally, they would assume that all bellow-driven instruments are variations of the accordion. But they are not. There’s quite a bit of a difference when comparing bandoneon vs accordion units.
One of these is the bandoneon, which looks like an accordion.
In what aspects are they different? Read this post and learn all about the difference of bandoneon vs. accordion.
What does bandoneon mean in English?

The name bandoneon or bandonion came from its inventor’s name, Band. The infix “on” is from harmonika (German) or harmonica. The suffix “ion or eon” is for accordion.
The bandoneon is a small, square bellow-driven instrument.
Bandoneon vs. accordion: mechanism
The accordion and bandoneon are squeezeboxes. Their bellows suck in the air pushes it out creating sounds.
Where did the bandoneon come from?
Let first look at the concertina.
The first concertina was developed by Sir Charles Wheatstone in England. Later the German Carl Friedrich Uhlig developed a similar instrument.
Concertina in Germany is very popular in folk music and traditional tunes.
The Anglo-German concertina sports a similar appearance to that of the bandoneon. German concertinas are square while English concertinas are hexagonal.
Concertina uses a number of systems when it comes to the range:
- English range system
- Germanic range system
- duet range system
- Anglo range system.
Now, let us go back to the bandoneon.
Heinrich Band was a well-known inventor and dealer of musical instruments in the 19th century. He played the concertina among other instruments but found that it was too limited. There are only a few notes and chords available.
He wanted to improve the concertina and make it more flexible. Band ended up creating the first bandoneon.
Some Germans went abroad and took their instruments along with them. They settled in parts of South America like Argentina and Uruguay.
The sound of this exotic musical instrument from Germany bonded well with the local music.
Where did the accordion come from?

It was in the 1800s that the accordion made an appearance.
Accordion to a historical post, C. Friedrich L. Buschmann patented the accordion under the name Handäoline. Seven years later, in Vienna, Cyril Demain made a similar instrument and patented it with the name accordion.
It coined the term that we use to this day. His invention has small bellows and lesser keys. Even so, most credit Buschmann for the accordions.
Although there is no concrete historical evidence, a post says the Russians claim ownership of the accordion.
Bandoneon vs. accordion: Kind of Reeds
Reeds are one of the things that bridge the gap between bandoneon vs. accordion. They use free reeds.
Reeds are strips of metal (sometimes plastic or wood) placed in slots. Reed valves cover the hole on top. The valves vibrate and create sound as air passes.
Bandoneon vs. accordion: Difference in appearance
It is easy to spot the difference of bandoneon vs. accordion even though both have bellows and have a similar sound.
Bandoneons are small and square. Their frames have ornate details with notes of South American designs.
Also, accordions are big and rectangular, and the bandoneon is square. The latter has ornate details and designs associated with South America. But, the former is more of a classic Italian design.
In terms of the parts of bandoneon vs. accordion, all bandoneons use sets of buttons. But the accordion has a small piano keyboard on the right. But unlike the piano or organ that is played with the keys facing up.
Bandoneon vs. accordion: Method of playing
Because they are small, musicians can play the bandoneon on their knees.
Musicians can also play the accordion while sitting down. But most of the time, musicians use back straps and shoulder straps. This is one difference of bandoneon vs. accordion
What are the types of Bandoneons?

France and Germany created many versions of the bandoneon. They have different layouts, and some have more buttons than others.
The changes were made to accommodate easier fingering and include extra tones.
On the treble side, the B key is at the top, followed by A below. The key C is three octaves lower (middle) and followed by A.
On the left side (bass), A key also seats at that top, followed by C in the middle. Below is another C (two octaves lower) and then B.
Bandoneons use:
- unisonoric system (chromatic) -produces one sound or note
- bisonoric system (diatonic) – produces 2 distinct notes.
Tango Bandoneon
The Bandoneon became popular in Argentina because of the tango, a local style of music and dance. The tango and the bandoneon were an extraordinary pairing.
It is chromatic with seventy-one buttons tuned in octaves.
The original instruments used Rheinische Lage for its button layout. It contains sixty-five buttons.
The tango version does not have switches. It means that the reeds have a fixed range.
The switches enable the reeds to switch from one register to another. The tuning is also dependent t on the available switches of the instrument.
Tango bandoneons have several systems of keyboard layouts:
- Bandoneon keyboard having a 144 tone layout.
- Bandoneon keyboard having a 142 tone layout.
- Bandoneon keyboard having a 110 tone layout.
Accordions have two main types. These are different in appearance, and range, and other musical aspects.
What are the types of Accordions?

The first type are button accordions. It has the following characteristics:
- has a row of buttons on the left-hand and right-hand
- the buttons are set out in diagonal rows that range in number
- it can be diatonic or chromatic
The chromatic buttons on the left produce the bass notes. While those on the right play the melody of the sound.
Diatonic button accordion is:
- Bisonoric means that the accordions have two-note reeds
- The keys have different notes depending on the direction of the bellows when playing the instrument.
Chromatic button accordion is:
- Opposite of the diatonic, it is unisonoric.
- Keys have single notes and chords. They produce one note regardless of when you draw or squeeze the bellows.
- the row of bass buttons are laid out in a circle of 5ths
- Uses standard bass system
The second type of this instrument is the piano accordion.
The piano accordion has the following characteristics:
- Has bass buttons on the left-hand side
- Has small treble piano keys on the right-hand side
- Keys are laid out in vertical style facing the audience
- Keys are rounded on the edges.
- The acoustic sound is closer to an organ than a piano.
Bandoneon vs. accordion: Popularity
Both free-reed instruments were created in the 1800s and became popular in the middle of the 20th century. Here is a brief story about their glory days.
Bandoneon and the Tango Music
European settlers in South America mixed the African rhythms with their traditional tango music. The result was a new unique, and beautiful style of modern music.
The tango and the bandoneon made each other known to the world. It became a culture in South America and spread to North America and Spain. In Argentina, it’s called the Tango Argentino.
Accordion in San Francisco
Like the bandoneon in Argentina, the accordion took over San Francisco.
Italian families who settled there started manufacturing the instrument, and soon it became the center of accordion trade. Though, there are still accordion companies in Germany, France, and Italy.
Bandoneon vs. accordion: what styles of music are they suited for?

These free-reed instruments are perfect for:
- Classical music
- Ethnic music
- Traditional music
- Folk music
The bandoneon, in particular, works well with tango music.
The accordion but is suited for jazz and Scottish music.
Bandoneon vs. accordion: Famous musicians
Astor Piazzolla
Astor reinvented the Tango Argentino. He incorporated new approaches that gave birth to nuevo tango.
In Argentina, Piazzolla is known as the king of tango and the bandoneon.
Lawrence Welk
He is a popular accordionist on US television.
He would play the accordion every Saturday. Like Piazolla, he invented a new approach to jazz music. He also released successful singles that are popular even to this modern century.
Bandoneon vs. accordion: Summary

The debate between bandoneon vs. accordion has many aspects. The accordion and the bandoneon trace their roots in Germany in the 19th century. Oddly enough, bandoneons became known in Uruguay and Argentina, while accordions were known in San Francisco.
These free-reed instruments are played using the hands and driven by bellows. The name comes from the reed that is free to move and let air through. Concertinas are also bellow-driven instruments similar to a bandoneon.
Bandoneons and accordions are suited for several styles of music like traditional and classical music.
Additionally, the accordion can either be chromatic or diatonic, while the bandoneon is unisonoric or bisonoric. It can reach different octaves.
Lastly, their sound is both mellow and soulful.

My introduction to accordion music was by way of Zydeco and Tex-Mex music. Once I got my hands on my very own squeezebox, I was hooked. Let me tell you, playing the accordion is every bit as fun as listening to it. Thanks for joining me in my exploration of the awesome world of accordions and all its amazing versions!