Don’t complain about your leader/conductor- at least where he/she can hear you. Don’t give advice unless you are asked. Never hire a sub better than yourself. If play a second part in an ensemble, never criticize the first chair player. When warming up, never try to see how high you can play. Never change the music to “the way it should have been written”. Never out blow the lead player under any circumstance. Never play a note at the end of a number which is higher than the lead player unless he/she has requested it. Be sure to cash all…