Source: "Don't Stop Believing" - Glee - cover - YouTube
Stashed in: Best Videos, Music, Music Videos!, Mashups!, STAHP!, Michael Jackson, Somebody that I used to know., A Cappella
Sam Tsui singing "Don't Stop Believing" by Journey.
This was posted on my Facebook wall three years ago but I could not for the life of me find it. Luckily, a friend of mine found it.
I'm creating a GLEE stash so I will always know where to find it.