Many forms of  "Tribal Fusion" belly dance have also developed, incorporating elements from many other dance and music styles.  These styles can include flamenco, ballet, burlesque and even hip hop.   There is also the very different and much more dark "Gothic" style which incorporates elements from "gothic subculture".  These dances have a darker feel to them and a more slower, snakey like arm movements and undulations, heavier less shiney adorments with a more ethnic Koochi style of the nomadic cultures.