AGO National Competition in Organ Improvisation: 
www.agohq.org/performance-competitions/ncoi/

Konserttipianisti ja näyttelijä Viktoriya Papayani:
www.viktoriyapapayani.com

Nina Svetlanova:
www.ninasvetlanova.com

McNeil Robinson (1943–2015):
www.mcneilrobinson.com

Finland Chapter of the American Guild of Organists:
www.agohq.org/chapters/finland/