Samuel Tsui (born May 2, 1989) is an American musician and Internet celebrity who rose to fame on YouTube. He is best known for covering and performing songs by popular artists such as Adele, Britney Spears, Jay Sean, Justin Timberlake, and Bruno Mars, as well as original medleys and mashups. Tsui graduated from Yale University in 2011. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.