Ok its very old news, but it deserves to be repeated to those who have heard about it before and announced to those who have not. It is the website dictionaraoke.org which is taking MIDI files of ordinary pop songs, and make a kareoke version on top of it. The voices to the kareoke are sampled from many different dictionaries on the internet and read aloud. Some of the examples are great, e.g. "Barbie girl" by Aqua or the duet "Don't go breaking my heart".

In a press announcement from 2001, dictionarakaoke.org explains: "The project was conceived of by a diverse group of experimental musicians communicating through the Internet. Inspired by the recent addition of spoken word audio clips to the Merriam-Webster and Microsoft Encarta online dictionaries demonstrating the correct pronunciation of each word, these artists have used the samples to create artificial vocals that "sing" karaoke."