1882-1982 1893-1958 1930- 20thcentury 780 ausstellung authors biography blues blues(music) bluesmusicians bruno brăiloiu collectorsandcollecting constantin correspondence criticismandinterpretation ethnomusicology fieldrecordings folkmusic folksongs gabriel gavino genf<2009> genres giuseppe henrietta history historyandcriticism italian italy maori maori(newzealandpeople) mclean mervyn music musikethnologie nettl newyorktimesreviewed newzealand nonfiction performingarts prezzolini romania soundrecordings styles unitedstates yurchenco