I agree with Peaches...YES!!!... singing the words to a song can be a great idea if you are comfortable with it. Do you remember how you feel when you are in your car or a private place and you are mimiking the words to your favorit song? your expression is usually at peak because you know that no one else is around. Well... when you do that during ministry and that same feeling comes over you it reaches the people. What I will say is that if you do decide to do that, make sure that your leader or coreographer is ok with it we are not trying to take you over any ones head and if one member does it then the entire team should do it for greater effect. If your are by yourself then by all means go for it.