(What I am surprised at is my last posted sentence looking like some teen twittered it! I rely du no hou to spel. Onustly.)

Joy, these times when we can get elderly people to stand up and sing or dance with the music illustrate one of the advantages of standing. I think it's much easier to engage your audience in participating when you are not only standing but moving about freely.   That's why, if I need amplification and have the option of a lapel or headset mic, I prefer that.