Back in the 80's, an American composer and producer (I'm pretty sure it was Stu Phillips, of The Six Million Dollar Man, McCloud, Battlestar Galactica and The Amazing Spider-Man themes fame) composed the theme for
the TV series Knight Rider in the 80's.

watch video and listen to theme here:
http://www.youtube.com/watch?v=L-E8u2o48ts

10 years later, an unknown British Indian musician, Panjabi MC, mixed it with bhangra music and created an unprecedented underground success, in particular thanks to the still new and expanding Internet.

watch video and listen to theme here:
http://www.youtube.com/watch?v=7ab9wUcxoFQ

Almost 10 more years later, the world can enjoy this cultural fusion performance called Flamenco Fantasy by the group Andalucia in Rome, Olimpic Theatre, june 2006.

watch video and listen to theme here:
http://www.youtube.com/watch?v=oyvVYYNj9Sc

This is the stuff Larry Lessig keeps reminding us of in his book Free Culture and virtually all of his public presentations...

Is there still anyone not able to get the value of derivative works and free culture?