Teacher: And now, KawaiiQueen performing 'Til I Hear You Sing!

Me inside my head: Alright, it'll be fine, just sing. You know the words, just go ahead and sing and pretend like all these people aren't watching. 

-Classical karaoke song starts playing- 

Me: ... 

Audience: ...

Me: COPACABANA-

Audience: -Facepalms-