For years now the rythems on reggae and dancehall songs have turned into their own phenom. Recently, DJ's and some record companies such as VP Records have made compolation CD's of all the "riddims" fronted my different artists. They are big right now between the West Indian and Jamaican community in NYC. Do your research and come back with your favorite ones.
http://www.geocities.com/SiliconValley/Heights/2597/Whadat.htm
The above should help in your decision.
