I think if you are going to be a singer, you should sing. If you are going to be a dancer, you should dance. If you are going to do a combination of the two, you should make it very clear when you are singing and very clear when you are dancing.
Do you know how helpless you feel if you have a full cup of coffee in your hand and you start to sneeze?
You can always tell a novice rider; they aren't comfortable in the saddle and have to hang on.

