Crook, in brass musical instruments, detachable piece of metal tubing inserted between the mouthpiece and the main tubing or in the middle of the tubing to lengthen the air column produced. This manipulation allows the player to obtain notes not included in the harmonic series of the original air
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This is a FANTASTIC Bach Stradivarius 184 cornet, medium-large bore. The Bach Strad is a very popular cornet among professional players, and there's a
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