A method of comparing voice signatures is provided comprising selecting an original performance. The original performance is comprised of an original performance voice signature. A user impersonation of at least a portion of the original performance is recorded and a user impersonation voice signature is established. The user impersonation voice signature is electronically compared to the original performance voice signature. A graduated performance value is generated representative of the similarities between the original voice signature and the user impersonation voice signature. An entertainment application is based on the graduated performance value.