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Welcome to J.A. Harmonicas


Joel Andersson is one of the world’s leading harmonica customizers and a highly respected Irish music musician. His harmonicas are trusted by some of the biggest artists on the planet, top session players, and some of the best teachers in the world. You’ll hear them at Carnegie Hall, in Hollywood movie soundtracks, and in world-class studios from Nashville to Tokyo—just a few of the places where his harmonicas have been.


A former Hohner Affiliated Customizer, Joel chose to leave the program so he could work with every brand on the market. This means customers can get any harmonica, in any configuration they want—if you can imagine it, he can build it.


Each instrument is built with uncompromising precision, tailored to the player’s exact needs, and designed for unmatched response, tone, and playability. From Grammy-winning professionals to passionate amateurs, musicians worldwide rely on Joel’s craftsmanship to take their playing to the next level.


In addition to his work as a master craftsman, Joel is an accomplished performer, having recorded The Dark Well with banjo legend Enda Scahill of We Banjo 3, and teaches Irish music on Patreon to students across the globe. His commitment to both the art of playing and the science of building harmonicas sets him apart as a true authority in the harmonica world.

Tomlin Leckie
Mickey Raphael
Gordon Lee
Jason Ricci
Andy Irvine
James Conway
Marc Breitfelder
Marko Jovanovic
Juan Pau Cumellas
Filip Jers
Rick Epping
Steve Baker
Brendan Power
Dick Sjoeberg
Mikael Bäckman
Louise Hoffsten