Known by many names, the Guimbarde is one of the oldest known musical instruments. Slide a finger along the left or right side of the instrument to change its tone. Tap anywhere else to play a note. (Be sure the phone is not switched into silent mode otherwise the sounds will not play.)

(Some other names for the Guimbarde are: gewgaw, jaw harp, Jew’s harp, Jew’s trump, juice harp, mouth harp, Ozark harp, and marranzano pancake.)

• Guimbarde version 1.0.2 June 24, 2010, requires iOS 3.0 or higher.
• Guimbarde may be installed on the iPhone and iPod Touch.
• Obtain Guimbarde from the iTunes App Store.