Amsterdam Synagogue Choir: An all male Jewish choir.
Cantor Moshe Bazian: MP3's and streaming videos from concerts performed by Cantor Murray (a.k.a. Chazzan Moshe) Bazian
Cantors Assembly: The largest organization of professional Hazzanim in the world. Site a music store and information about cantors and the Cantors Assembly.
Cantors World: Dedicated to the propagation, appreciation, and enhancement of cantorial music. Newsletter, messageboard, and recordings of chazzanut.
Chazzanut Online: Comprehensive site for Jewish liturgical music, with a large collection of cantorial sheet music, annotated links and background information.
Jewish Music From Cantor Gottesman: Tenor Cantor Yossef Gottesman performs Jewish music in Chassidic and chazzanut style. He was born in Florence Italy.
The Three Cantors: Two Tenors and a Baritone: It's a Gala Concert, and a first class party all rolled into one great evening of fun. Makes a great fund raiser for your Synagogue or organization.
VirtualCantor: The Virtual Cantor site is a free site that provides the Nusach for the entire year cycle including weekdays, Shabbat, Holidays, Yom Tov, High Holidays, and Festivals.
Zmirot - Shabbat Songs: Real Audio zemiros from assorted artists such as Shlomo Carlebach, Yehuda Glantz, Moshav Band.