Freeman Tweaked Generation Brass Bb Whistle NEW 2013 Model Beloved Generation sound without the squeaks, register breaks, and out-of-tune notes.Jerry Freeman expertly tweaks mass-produced whistles to improve quality and produce a clean playing, beautiful sounding, nicely in-tune instrument that's well balanced throughout both registers. The newer model features an attractive brass ring around the base of the mouthpiece to improve durability and prevent cracking when the whistle is tuned (shown in second picture) Jerry Freeman expertly tweaks mass-produced whistles to improve quality and produce a clean playing, beautiful sounding, nicely in-tune instrument that's well balanced throughout both registers.