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greatest advancement for brass instruments in the last 50 years. By treating the instrument at sub-zero temperatures, inherent stresses within the structure of the brass called "residual stresses" are released.
Brass instruments respond to this gentle process providing increased tonal quality, volume, and lower or higher register. The end result is purer, cleaner sound. The improvement in sound quality the "Cool Note" process brings is a major enhancement in playability. Endurance for the musician is increased because the instrument is easier to play on pitch.
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