MB Marcus Bona / MBCR (Black) Single Short Cornet Case RoyerLabs It features an open

It features an open

this inevitably comes at the expense of natural resonance

Extra Thin Edge

Size (diameter x height): 7 x 2-3/8 inches

MB Marcus Bona / MBCR (Black) Single Short Cornet Case RoyerLabs It features an openWhat is MB (Marcus Bonna)? Marcus Bonna, founder of MB (Marcus Bonna), was a horn player with the Sao Paulo Symphony Orchestra from 1982 to 2002. Bona was fed up with the weight of her horn case, which was always a hassle when traveling during her daily performances. With this in mind, she wanted to create a way to transport the horn more easily and safely, and to free more people from unnecessary worries about playing the horn, an instrument she