I need to find some kind of song written after 1990 about geology. It have to do with any part of geology but it just had to be written after 1990. any suggestions about where i might be able to find something like this?

Question

I need to find some kind of song written after 1990 about geology. It have to do with any part of geology but it just had to be written after 1990. any suggestions about where i might be able to find something like this? 
-thanks-

http://www.naturescience.org/RollingRock.html