What does the speaker say that convinces you that this was only one of many great performances?

The speaker mentions the consistent Excellence and high energy of the performances, highlighting that this particular event was just another instance of their impressive track record. They reference past shows that left audiences in awe, suggesting that this performance fits a pattern of outstanding artistry. Additionally, the excitement and enthusiasm from the crowd indicate that such experiences are common, reinforcing the idea that this is merely one of many remarkable performances.