Додолске песме not Додоле Yeah it offte confuse people.
About Dodola songs
Also, there is more informations here: http://forum.badnjak.com/viewtopic.php?f=5&t=137 (Short infomrations of course, not academical discusions).
Dodole are basiacaly, ritual and magical songs. That songs were performed to invoke rain. Between St. George's Day and St. Peter's Day, when certain village was affected by drought, young girls were going from house to house, singing and dancing. It wass allways performed on Thursday. (In ancient Slavic Religion , it was Perun's day)
Night before selected girls go in church, clean it and go in river to bath themselves.
Tommorow, one or more of them specially picked, sometimes orphan, but allways preadoscelent virgin girl, wear leaf-dress, and nothing more. Other Girls accompany her and sing.
After that girls are going from house to house and they are invoking rain with their songs and dances. Dodola or dodolas are singing, while refraind dodo dodole is sung by all girls. After singing, hоусеfather or hostess (depends) are spilling bucket of atter on dodola and giving her reward.
Researchers believe this tradition of imitative magic (that is how is it classified in ethnography) was derived from rituals of Perun. Connection is clear, thursday, some songs explictely mention Perun (in symbiosis with St Elijas).
Concerning name Dodola, it is beliewed that name is derived from atribute of Perun as thunderer. Lithuanian dundeti – to thunder.