In 2001, the French electronica band Daft Punk released their best album to date, Discovery. It was only a year or so later that many fans (incl. me) found out the album was also the soundtrack to an anime called Interstella 5555, a story about a band of aliens captured and "reprogrammed" to perform on earth as the "Crescendolls." Now thanks to the magic of YouTube, you can see Interstella 5555 online.
NOTE: That last link goes to a YouTube playlist... when one segment ends, wait a minute and the next segment should begin.