Diverse Artister Festivaller Podcasts Diverse A cappella-blogs Chorus Connection Blog og udbyder af forskellige services for kor Arrangementer Chorus Online En hollandsk side der sælger arrangementer online Stockmann Stage A cappella arrangementer mm. ved Dénise Stockmann Organisationer Kor72 The Contemporary A Cappella Society – CASA The Recorded A Cappella Review Board (RARB)
