found: Mbira music / musics, 2019:page 261 (Gerd Grupe; contribution: The motional domain of mbira music : perceptive and metro-rhythmic implications of mbira fingering patterns) page 359 (Gerd Grupe, professor of ethnomusicology, University of Music and Performing Arts Graz/Austria; he has taught ethnomusicology at the universities of Berlin (Free University), Hildesheim, Frankfurt am Main, Beyreuth, Karl-Franzens-Universität Graz, and Donau-Universität Krems; has published monographs on kumina songs from Jamaica (1990) and mbira music from Zimbabwe (2004); his research interests include music from sub-Saharan Africa, Central Javanese gamelan music, and intercultural issues)