http://www.operaexchange.org.uk/ Opera Exchange For opera enthusiasts who wish to exchange private, noncommercial, live opera recordings. http://www.operauditions.com Operauditions.com Streaming audio of opera singers, for managers and concert or opera producing organizations. http://www.andreabaggio.com/enhome.html Sampled Sounds Programming for Opera Synthetic and sampled sounds programming for opera. http://www.geocities.com/Vienna/7023/ The Collector's Guide to Opera Recordings and Videos Reviews and recommendations for audio/video recordings of 85 operas in the standard repertoire. http://www.divalegacy.com/ The Legacy of the Diva Opera's recorded legacy. Articles and surveys of aria recordings especially from the coloratura repertoire.