Maadal The Band was formed in 2002 are the first all-women's professional group of Bengali folk singers in West Bengal.They concentrate on showcasing the rich and varied folk tradition of Bengal, both 'epar bangla and opar bangla'.The traditional folk instrument of Bengal - 'maadal' represents their kind of music The word `maadal' can be broken up into 2 parts - `maa' & `dal' respectively signifying mother and group.