Medieval Period (1200 - 1450)
Introduces those responsible for developing harmony and added instrumentation to Western music. From Heart's Ease Conservatory.

The Medieval Sound - David Munrow - CD
Introduction and demonstrations of individual medieval instruments, followed by suites of renaissance and Elizabethan dances.

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.

Music History 102: The Middle Ages
Composers, major styles and developments, illustrations, and Real Audio RAM sound files from the Internet Public Library.

The Power of Music in Medieval Literature
Thesis by Brenda Johnstone Flynn.

Wind Instrumental Ensembles in Italy from 1450-1620
Paper by Brenda Flynn.