Other
About Scotland: Pythagoras: Music and Space
A study on Pythagoras and how he used geometry to explain parts of music, including harmony, proportion, and space.
University of Kentucky
The Physics and Math of Music
Read about a math research project done by three college students which helps us see physics and math in music. Here's a great approach for integrating curriculum!
Other
Hammerwood: Greek Music and the Greek Gods
This site features an explanation of Greek music in ancient Greek society. Of note is the description of Pythagoras' work which was responsible for establishing much of the theory behind our music.
University of Waterloo (Canada)
Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf]
Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data...