던 거 알다

did you know it was like that

-던 거 points at something in the past that is being brought back up, and 알다 asks whether you know it. Every line here is a question. 아시죠 checks a memory you are assumed to share — you remember when MBTI was everywhere, right? — while 알아요? springs a fact you probably did not know, like a former stage name.

Register: conversational, audience-facing