The Most Unwanted Song [1] and The Most Wanted Song [2] were a music experiment by artists Komar and Melamid. They survey people to find the most and least favorite musical instruments, genres, lyrical content. Komar and Melamid also created most and least wanted paintings by country.
[1] http://www.wired.com/listening_post/2008/04/a-scientific-at/
[2] http://www.wired.com/listening_post/2008/05/survey-produced/