Although very simple in its design, this short piece gives a nice overview of musical terms, one of which is the treble clef. The author briefly discusses the attribute of "key" in conjunction with the clef.

Younger musicians and music-appreciation students can learn the notes of the treble clef and bass clef.

This site provides music theory information on such topics as rhythm, intervals, scales, chords, etc. Also, there is a fine section which describes the basic concepts of form and structure.

[Free Registration/Login Required] This flipchart is an introduction to the music staff and notation. It describes the notes on both the treble and bass clefs. Sound files for each pitch of a C scale and some Activote questions are...