I've heard about Wild Heart before. Never seen them, but they seem to try hard that's for sure.
Aren't the Lindsey and Stevie husband and wife in this band?
I can understand how one might be upset. We had an Elvis impersenator at my Grandmother's 60th birthday party. If I had a Stevie one at mine I think I would want everything to be perfect about the Stevie. However it doesn't get this personal when you are just watching a band - so I say you go.