Sentence 1: This time the vocals were mastered by Matti Auerkallio and the EP by Pirkka Rännäli was performed .
Sentence 2: This time the vocals were presented by Matti Auerkallio and the EP by Pirkka Rännäli was mastered .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?