Medieval Period (1200 - 1450) Introduces those responsible for developing harmony and added instrumentation to Western music. From Heart's Ease Conservatory. http://www.hearts-ease.org/cgi-bin/index_c.cgi?period=Medieval%20Period

HOASM: The Central Middle Ages (1100-1350) Biographies of composers of Early Music complementing Here Of A Sunday Morning the radio program. http://www.hoasm.org/PeriodII.html

The Medieval Sound - David Munrow - CD Introduction and demonstrations of individual medieval instruments, followed by suites of renaissance and Elizabethan dances. http://www.baroquecds.com/02Web.html

The Power of Music in Medieval Literature Thesis by Brenda Johnstone Flynn. http://www.tiltedworld.com/brenda/music/index.html

Wind Instrumental Ensembles in Italy from 1450-1620 Paper by Brenda Flynn. http://www.tiltedworld.com/brenda/pifarri.html

Middle Ages: 450-1450 Introduction to the Medieval Era from Essentials of Music linked to details on historical themes, musical context, style, and composer biographies. http://www.essentialsofmusic.com/eras/medieval.html

Music History 102: The Middle Ages Composers, major styles and developments, illustrations, and Real Audio RAM sound files from the Internet Public Library. http://www.ipl.org/div/mushist/middle/index.htm

Gail Kubik Filmography at IMDb. http://us.imdb.com/name/nm0473479/