An agidigbo is a musical instrument worn around the neck, originating among the Yoruba peoples of Nigeria - and played by striking the box frame with a ring around the thumb.
Alto clarinet, alto saxophone, Alboka, Arghul, Alto sarrusophone Air horn, Alphorn, Accordion, Agidigbo, Aeolian harp, Ajaeng Appalachian dulcimer, Archlute, Arpeggione, Acoustic bass guitar, Acoustic guitar