A full symphonic concerto for quarter-tone accordion and orchestra is not something you come around every day. The first and hopefully not the last time... | By Bjarke Mogensen - accordionist | Facebook
Lore Amenabar Larrañaga: Quarter-Tone Accordion | Royal Academy of Music
Quartertone Accordion Introduction (Maria Zubimendi, Caspar Johannes Walter) - YouTube
Accordion Masterclass For Beginners: Learn, Practice & Play Songs (By Ear) | Johnny Khoury | Skillshare
Quarter Tone Accordion : r/microtonal
Jukka Tiensuu: Anomal Dances, Concerto for Quarter Tone Accordion (2/2) - YouTube
Quarter-Tone Accordion: New Music Through a New Instrument - YouTube
Quarter tone - Wikipedia
Quarter tone - Wikipedia
Coming to Métier: Music for Quarter-Tone Accordion | Divine Art Recordings
Quarter Tone Accordion / Accordéon à quarts de ton - YouTube