Aca-Wahnsinn online
Begriff & Geschichte
„A Century of A Cappella” (Here is the beginning of a history of twentieth century a cappella)
„What is a cappella?“ (Acappella Records)
„Was ist A Cappella” (acappella-online.de)
„Trends in a cappella“ (infogramm.am)
„How A Cappella Took Over the Music World“ (ARTSMIC)
„200 Reasons To Love A Cappella“ (Chin, Mike)
„The Glee Factor: A Rise in Amateur Singing“ (Fitzpatrick, Laura)
„‘Die Große Chance der Chöre?‘ Das war Etikettenschwindel! (Weidringer, Walter in: Die Presse Online)
„Can A Cappella’s Superstars Finally Break Pop’s Ceiling?” (Grant, Sarah in: The Rolling Stones Magazine Online
„Pentatonix Are Making A Cappella Cool Again (or Maybe for the First Time)“ ( in: Huffington Post)
„Sharper Than Ever: A Cappella Is YouTube’s New Favorite Obsession“ (Hoare, Peter, in Fuse)
Szene (deutschspr.)
acappella-online.de (Vernetzungsplattform)
Magenta (Die A-cappella-Agentur)
The Acappellazone (Die Künstleragentur für Deutschland, Schweiz und Österreich)
The Acappellazone – Vocal Blog (Vocal Blog – Web 2.0 Network and Market Place)
Sänger- und Chorbörse AUT: „Hobby a capella Gruppe“ (in: Chormuik.at – Österreichs Chorszene im Internet)
„20 Jahre Vokal Total – Deutschlands größtes A-Cappella-Festival“ (Schmidt, Romy)
Szene (intern.)
ACA Blog (Metaverzeichnis von A-cappella-Blogs)
Acapedia (Datenbank von A-cappella-Gruppen by CASA)
A Cappella Community Awards (ACA by CASA)
acappellanews (Blog)
Acappella Records (ACR)
ACATRIBE – For those who speak fluent dm, bah, or fvap (Blog)
Contemporary A Cappella League
Contemporary A Cappella Recording Awards (CARA by Casa)
Doo-Wop Association of America
European Voices Association e.V. (Home of European Contemporary A cappella)
Primarily A Cappella (PAC, Vertriebsgesellschaft)
Recorded A Cappella Review Board (RARB)
The Quest For The A cappella Major (Blog)
Vocal Asia (Home of Asian Contemporary A cappella)
Vocal Australia (Home of Australian Contemporary A cappella)