I can't believe this mistake hasn't happened before. From the publicist for heavy metal band Lamb of God:
LAMB OF GOD would like to officially denounce any buzz of a show that they have been rumored to be playing in the near future. The band will not be performing in Tempe, AZ at said show. The event is a religious play being performed in Tempe, and is NOT related to the band LAMB OF GOD at all, whatsoever.