I'm a counterexample, I guess: Tosca was the first opera that absolutely enthralled me, cliche or not, even though I had seen others before it. It's my favorite

I'm a counterexample, I guess: Tosca was the first opera that absolutely enthralled me, cliche or not, even though I had seen others before it. It's my favorite. Me aside, The Marriage of Figaro is the first one I tell people to see if they can. Act I is engaging from the beginning, and I think does a good job of bringing people into the right mindset to appreciate it even if they don't get opera.