When you're singing about being the only passenger in the subway car, and then realize you're not

A woman named Stevie was so stoked to have an entire subway train car to herself, that she started singing a song about it while recording it with her phone. Then she noticed someone else was in the car too and got a little embarrassed.

Thankfully for us, her friend Adam Broud got hold of the footage and posted it on the internet, where it went viral: