Much of the Bengali tradition, such as the jewelery wearing classical/folk dancers, are all overshadowed by Islam.
Yeah it's a shame that the richness of the Bangali culture, and it's own cultural festivities, are being overshadowed or at least being reformed by Islam. It really is a tragedy, as many of the Bangali people are forgetting about their culture, and are instead taking in Arab traditions as their own. I have nothing against cultural pluralism, but I do think one culture should not be overshadowed by another.
I'm watching a Bangali t.v station right now, and everything on this channel (and every other Bengali channel) is about Eid. There are girls dancing and stuff, but one could very easily tell that the original Bengali festival traditions are being 'arabified'.