The Frenchman said that he is anticipating a close contest, with both sides pressing to win the match.
"We are a positive side, Dortmund are a positive side," BBC Sport quotes Wenger as saying. "So you have a guarantee both sides will try and win the game.
"I am not a music specialist but Dortmund is a very good team so we should see a good symphony tomorrow," he added in reference to Dortmund coach Jurgen Klopp's comments comparing the Gunners to an orchestra.
Arsenal, Dortmund and Napoli are all level on six points after three games in Group F.