Metallophones are tuned metal objects (bars, bowls, tubes, gongs, etc.), struck with sticks or mallets--a xylophone, for example. The “Mostly Metallophones” concert at Pomona College’s Lyman ...

However, what if you wanted to make a metallophone in which each key had a very different shape, yet that still produced the same tones as a plain ol' xylophone? Well, that's what the zoolophone is.