This is a single by Somali-Canadian hip hop artist K'naan, from his sophomore studio album, Troubadour. It was originally released on December 2, 2008 and re-issued after the success of his international hit, "Wavin' Flag."
The song features a vocal contribution by Adam Levine of Maroon 5.
This featured in the 2010 feature film The Karate Kid.
YouTube were forced into an upgrade after PSY's "Gangnam Style" broke the video-sharing website's hit counter. Once the tune reached 2,147,483,647 views, the maximum positive value for a 32-bit signed binary integer in computing, the view-counter could no longer work.
"Sloop John B" is a traditional West Indian folk song, and it was a huge hit for The Beach Boys in 1966. They tweaked the lyric, "This is the worst trip since I've been born" to "...I've ever been on" as a wink to acid culture.