Glucose and oxygen react together in cells to produce carbon dioxide and water and releases energy. The reaction is called aerobic respiration because oxygen from the air is needed for it to work.
Tone color, also known as timbre, is the quality of a sound that is not characterized as frequency (pitch), duration (rhythm), or amplitude (volume).
Alisha is a college music educator specializing in historic and world music studies. Tone color is an element of sound that allows the listener to identify the distinct qualities of that sound that are not related to pitch, volume, or duration. This lesson explores how tone color is created and altered, as well as the ways in which it should be described.