A MAN OF TWO PARTS

You
Who me?
You did it
Sorry are you talking to me?
I remember, you did it
Leave me alone!
I remember, you did it 300 years ago,
What your crazy I'm not that old, leave me alone!
I remember, you did it 300 years ago today,
What then, what did I do?
I remember, you did it 300 years ago today at 7pm
OK, you don't know me so leave me alone!
I remember, you did it 300 years ago today at 7pm, you did the unspeakable,
What did I do that was unspeakable?
I remember, you did it 300 years ago today at 7pm, you did the unspeakable, you committed
What, what did I commit?
I remember, you did it 300 years ago today at 7pm, you did the unspeakable, you committed murder.
I told you I'm not that old!
WHO SAID I WAS SPEAKING TO YOU?