Euphonium ERGObrass "Full Set" SupportWhy the ERGObrass? Well, the reason for using it is actually very simple and obvious. A typical euphonium weigh about 4 to 5 kilos (9 to 11 lb). Your both arms weigh about the same each and you keep both of them up with the horn at the same time! It is like having three pieces of one and a half litre water bottles hanging from your arms when playing standing up?? That is a lot of weight!? All the time when you play. Of course, you can hold the horn