Monday's Riddle! Did you see?

Hello Riddlers! Here's the puzzle- I'm keeping an eye out this week ; ) Can you guess the theme? ~ F

When you know what's been done, will or won't you tell someone? Something odd in your scene? Did you see what shouldn't be seen? If asked to recall, will you sing? What news to the table do you bring? When coveting the facts to reveal the plot- they'll want to hear all you've got.  

What are you? 

I gave you a clue! 



FEAR NOT THE UNEXPECTED