A concert instrument in a class of its own… The Cathedral Piano Super Bayan is an unequaled handcrafted instrument, limited in production with endless available custom features. Featuring petosa's ultra-premium Converter Free-Bass mechanics for durability and performance, special patented Artigiana 'B-Turbo' Handmade reeds, solid mahogany tone chamber & so much more. Distinctly and individually crafted & personalized for each artist, the Cathedral Piano Super Bayan is the apex of quality in the Bayan category of accordions.