the complete range or scope of something.
the whole gamut of human emotion
sinonim: range, spectrum, span, scope, sweep, compass, area, breadth, reach, extent, catalog, scale, variety
a complete scale of musical notes; the compass or range of a voice or instrument.
The older corpus tended to treat E and B as notes of secondary importance, but later chants frequently contain passages that use all notes of the gamut equally freely; they also appear to emphasize interlocking chains of 3rds.