The Joyful Glory by Rhythm Clocks plays one of 30 different melodies every hour on the hour (except in the dark) The movement opens the clock face in 3 pieces and then recloses. This model has a tranquil and cathedral-like theme. The Joyful Glory splits into three sections on the hour as one of the 30 melodies play in synchrony. While opening, the dial reveals 15 glimmering crystals The rotating wheel at the bottom adds an elegant look. Includes one year limited warranty and requires two “D” batteries for use.