LP Bar Chimes are designed for virtually any musical setting and are crafted from a specially formulated tempered aluminum alloy to provide bright sound and great tonal diversity. The natural wood bars are made from select hardwood with a satin finish. LP Studio and Concert Series Bar Chimes are equipped with an exclusive “anti-twist” bracket that is mounted at the balance point of each bar to prevent movement. LP offers four varieties of bar chimes: Studio Series, Concert Series, Whole-Tone, and Lu ? each with its own unique characteristics and tonal values