. . . . . . . . . "Field recordings" . . . . . . "Kanyok and Luba southern Belgian Congo 1952 and 1957" . . . "Music" . . "1952 & 1957, southern Belgian Congo" . "Kanyok, Luba-Hasai, Luluwa, Songye, Luba-Hatanga, Hemba" . "Kanyok and Luba southern Belgian Congo, 1952 & 1957 : Kanyok, Luba-Hasai, Luluwa, Songye, Luba-Hatanga, Hemba" . "Kanyok and Luba southern Belgian Congo ; 1952 & 1957 ; Kanyok, Luba-Hasai, Luluwa, Songye, Luba-Hatanga, Hemba" . . . . . . "Kanyok and Luba: Southern Belgian Congo 1952 & 1957" . . . "Southern Belgian Congo" . . . . "Congo" . . .