Which documentary is about Finnish rock groups, Adam Clayton Powell or The Saimaa Gesture?
The Saimaa Gesture: The Saimaa Gesture (Finnish: "Saimaa-ilmiö" ) is a 1981 film by Finnish directors Aki and Mika Kaurismäki. The Saimaa Gesture:  It is a documentary of three Finnish rock groups aboard the steamboat SS Heinävesi on their tour around Lake Saimaa.
i don't know