TIMBRE - The "quality" of a sound that distinguishes it from other sounds of the same pitch and volume.

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Classical timbre is/are tone color
Classical timbre is component of classical tonality
Classical timbre expresses emotion
Classical timbre is derived from harmonic series
Classical timbre means harmonic profile
Classical timbre is partially produced by human intellect
Classical timbre is partially produced by human spirit
Classical timbre is element of Classical Music