Our singist has a tendency to say the same schtick at every single gig, and also to drag it out, so while the rest of us are ready to crack on to the next song we have to stand/sit and wait for him to get to wherever he wants to get to in introducing the next song. We played a birthday party the other week where we were more or less straight from one song to the next because nobody cared that we were there, which was actually quite refreshing (the efficiency bit, not the being ignored bit).