Polyphonic.org
To enhance the professional development and broaden the perspectives of musicians who are participants in North American symphony orchestras and other musical arts organizations. http://www.esm.rochester.edu/iml/prjc/poly/
Musical America
Founded by John C. Freund in 1898 as a weekly newspaper covering drama, music and the arts, Musical America Worldwide today (Musical America International Directory of the Performing Arts, MusicalAmerica.com, and the weekly E-newsletter) is the meeting place for the international performing arts community. http://www.musicalamerica.com/
Symphony Orchestra Institute- Harmony
April 4, 2012http://www.esm.rochester.edu/iml/prjc/poly/harmony.php