. "Frey"@en . "A. Martin" . . . "M. Frey" . "Alfred Martin" . "Martin Alfred Frey" . "http://www.wikidata.org/entity/Q6581097" . "musicologo Martin Frey" . "musicus Martin Frey" . "Martin Alfred" . "1946" . . "alfred" . "M." . "A. Martin Frey" . "Martin alfred Frey" . "1872" . . "Frey, Martin, musicologo" . . . "Martin Frey"@en . "M. Frey" . "Alfred" . . "Martín" . "Martin"@en . "Martin Alfred Frey" . "Frey, M. (Martin)" . "Martín Frey"@es-ES . . . "Frey, Martin Musiker" . . . "Frey, Martin, musicus" . . "Musiker Martin Frey" . "Alfred Martin Frey" . . .