UT Dallas School of Arts & Humanities Events - www.utdallas.edu/ah/events
Dallas Bach Society - www.dallasbach.org
Dallas Symphony Orchestra - www.mydso.com
UNT Music School Events - music.unt.edu/calendar
Orpheus Chamber Singers - www.orpheuschambersingers.org
Other Performing Ensembles at UT Dallas - Chamber Singers, Orchestra, and more.
Classical Archives - Full lists of classical composers, and audio files of their music. Very comprehensive.
Pendlebury Library of Music, Cambridge University - Useful scholarly links on different fields of music.
William and Gayle Cook Music Library, Indiana University - Cataloged knowledge of individual composers and their music. Information on different groups of musicians, musical journals and magazines.