Bastida, Carolina, contributor. Berg, Sjoerd van den, contributor. Caballé, Ester, contributor. Díaz-Torrent, Josep M., contributor. Fernández-Costales, Alberto, contributor.

Bayer, Nicole, contributor. Berthele, Raphael, contributor. Berthele, Raphael, editor. Desgrippes, Magalie, contributor. Krompàk, Edina, contributor.

Benz, Victoria, author.

Benson, Carol, contributor. Brutt-Griffler, Janina, contributor. Brutt-Griffler, Janina, editor. Creese, Angela, contributor. Hornberger, Nancy H., contributor.