Orthodox Christian Mission Resources

Training Resources 

OCA Chanting Tones Tutorial: https://www.oca.org/liturgics/learning-the-tones

Byzantine chanting classes: https://trisagionschool.org/

Music:

Antiochian Archdiocese online music library: http://ww1.antiochian.org/music/library

Examples and recordings 

https://stromanos.org/music.html (examples by service and season)