Samuel Tsui is a Chinese American musician and Internet celebrity who rose to fame on YouTube. He is best known for covering and performing songs by popular artists, as well as original medleys and mashups. Currently an undergraduate at Yale University, Tsui is also a member of The Duke's Men of Yale.
This guy is pretty good wei!!!!!!!!
Here's one of him doing a cover for Bruno Mars.
How about this??? Better than GLEEEE....
This one... his most recent one is a 3-song mash-up. Niceee =)