Links

Hyperion Records
http://www.hyperion-records.co.uk/

Pfarre St. Rochus, Wien
http://www.oratorium.at/

Countertenor Jakob Huppmann
http://www.countertenor.co.at

Countertenor Terry Wey
http://www.terrywey.com

Festival Intonazione on Elba
http://www.intonazione.it/en/inton-mainpage-2011/

International Paul Hofhaymer Gesellschaft
http://members.nusurf.at/hofhaymer/

research in music theory, concerning the hexachord system
http://www.hexachord.at