Having amassed over a billion views on YouTube for their strikingly original and self-made music videos, THE PIANO GUYS return with a new, out-of-this-world visual, taking viewers on a journey to Pandora for their rendition of the Avatar theme.  Filmed at Disney’s World of Avatar, the new video immerses its viewers in the fantastical world inspired by the James Cameron film and music of composer James Horner.  The Piano Guys perform their rendition of Avatar’s theme song amongst the floating mountains of Pandora and its biolu