William Byrd - Brief biographical sketch, caricature, summaries of church, vocal, consort, and keyboard works, and Naxos discography. - http://www.naxos.com/composerinfo/161.htm
Virtual Byrd Choir - MP3 files of Byrd's choral works performed by a Tokyo-based solo ensemble. Links to Virtual Wilbye Consort site. - http://a-babe.plala.jp/~wilbye/vbc.html
William Byrd: An Overview - Biographical essay, related topics, plus samples of Pavan: The Earle of Salisbury in Sibelius Scorch, PDF, MIDI, and MP3 formats. - http://www.mfiles.co.uk/Composers/William-Byrd.htm
Byrd, William - Biography examining his versatility in composing both secular and sacred vocal music as well as various instrumental works includes summary list of works. From the Grove Concise Dictionary of Music entry at WQXR radio. - http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=1448
Byrd MIDI files - Real player MIDI files (free download). From 'Kunst der Fuge'. - http://www.kunstderfuge.com/byrd.htm
Classical Music Archies: Byrd - Biography from the Concise Oxford Dictionary of Music. Complete solo keyboard works. Over 100 complete files offered in MIDI format. - http://www.classicalarchives.com/bios/codm/byrd.html
The Keyboard Music of William Byrd - Recordings of harpsichord works and notes on style and performance with link to MIDI audio files. - http://www.sankey.ws/byrd.html
Byrd, William (1543 - 1623), United Kingdom - Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers. - http://stevenestrella.com/composers/composerfiles/byrd1623.html
MIDI World: William Byrd - Article about music notation, tuning, and interpretation and MIDI audio files of liturgical works, pavans and galliards, other dances, grounds, preludes and fantasies, program music, popular tunes, and other works. - http://www.midiworld.com/mw%5Fbyrd.htm
William Byrd (1543-1623) - Message board and live chat about the life and works. - http://carolinanavy.com/fleet2/f2/zclassicalmusic/WilliamByrd(1543-1623)hall/shakespeare1.html