The Antoine Courtois T.O.M.A. Vintage Series quarter tone trumpet opens you up to a world of musical possibilities. Designed in collaboration with acclaimed trumpeter Ibrahim Maalouf, this innovative horn gives you access to microtones and non-western scales thanks to its fourth valve for quarter tones. The .460" bore and 4.8" bell provide a balanced response and projection suited for any style. With the T.O.M.A. in your hands, you'll explore Middle Eastern, Indian, African and Eastern European music in authentic detail with a distinct vintage look. The Courtois T.O.M.A. quarter tone trumpet lets you discover exotic new sounds and take your playing to creative new heights.