BerkeleyWind have this speical RED cornet. if you ask what is difference between this horn to Kanstul or Bach basson. i can tell you, hard to tell. if you in a dark room. and play my horn with other thousand dollars one. i believe. you can't tell which one is which. but when you in marchine.no one have RED cornet. i hope some day can see all the fire man marching band use this cool cornet.