Priscilla has mentioned this several times before and Jerry Schilling also said something along the same lines. Schilling I believe mentioned that Elvis played him the acetate back from SM to prove it and it was then that Jerry noticed the difference. Can you imagine a no-talent a--hole like the Colonel tampering with EP's music. A musical genius and he's screwing with it. We all have heard or read the stories about how Elvis for the most part was such a perfectionist that he would do take after take until it sounded right to him. If that was the case, that's when he should have gotten rid of the Colonel.