The accordion was probably the most unusual instrument on the planet until someone discovered a way for a Guitar Hero controller to play a digeridoo. Linus Okesson, a Swedish electronic engineer and musician, is the winner of the title. His latest project is his masterpiece. He has been combining his passions for music and vintage electronics for many years. The “Commodore” accordion is made from two Commodore 64 computer.
Two original C64s from 1980s are attached to a bellows (the part that folds in its middle) made of dozens of floppy discs taped together. It functions as a normal accordion. The left hand plays the melody while the right hand plays the chords. Ars Technica first discovered the 8-bit chiptune symphony.
Standard accordion bellows emit sound via steel reeds. The speed at which the player compresses and expands the instrument controls its volume. Åkesson’s invention digitally simulates this procedure: the microphone measures the air expelled by the bellows and adjusts the sound output volume to match. The entire device is powered by a specially soldered internal battery (to both devices), and runs software written by Åkesson that is loaded onto every old computer.
If you are only going to transcribe regular music, what’s the point in having two computers? In addition to playing the Commodordion traditionally, Åkesson can program custom beats and loops on the left half of the device, making it work like a beat box or a MIDI keyboard.
Not only did he show off his musical ability, creativity, programming and hardware modding skills, Åkesson cut his demo as a love letter to Oscar-winner Scott Joplin in 1973. sting. It is worth the entire video to see his work in designing, programming, and operating the machine. The build is described in more detail. at the Åkesson website.
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