From the music-centric viral video collective cdza comes another fun one: seven talented musicians play variations on Kanye West and Jay-Z's hit track -- on one piano. If you aren't familiar with the original, you can watch it below, along with other inventive music pieces by the cdza crew.

History of Whistling is a medley of 100 years' worth of whistling in pop songs:

A History of Lyrics That Aren't Lyrics is just that:

For more by cdza, visit