Other
What Is a Cor Anglais?
This site discusses the Cor Anglais (English Horn) as a variant of the oboe and offers a picture of the two instruments side by side.
University of New South Wales (Australia)
University of New South Wales: Introduction to Saxophone Acoustics
Learn all about the ways a saxophone produces sound. Discover why the reed, playing softly or loudly and tone holes play important roles in this instruments acoustics.