@book{111920,
  address    = {Grahamstown},
  author     = {Tracey, Hugh T.},
  edition    = {Grammophone record},
  publisher  = {International Library of African Music (ILAM)},
  series     = {Sound of Africa series},
  title      = {Sena/Nyungwe, Sena/Tonga},
  volume     = {TR 91},
  year       = {19xx},
  jfmnote    = {Not sure what Tonga refers to here.},
  keywords   = {;eaf;saf;mzm;ltr;bnt;n.43;n.44;},
  lgcode     = {Sena [seh], Nyungwe [nyu] (autotranslated from Maho's coding system)},
  macro_area = {Africa},
  src        = {eballiso2009}
}