Recently, I was in a situation where I had been asked to be on standby to play the drums, just in case someone couldn't make it. I was happy with the situation, and was just waiting to hear if I was needed. I was then told that I could bring a djembe along, as there was someone else playing the drums in the place of the of the original drummer. Now, I know, technically, I have the right to be annoyed. But should I be? I'm currently debating whether to stay frustrated, or get over myself and go and play percussion. I wish my conscience didn't plague me, or I may just have a good sulk.