As I recall, it's a piano with metal tacks attached to the sounding hammer-thingies [note official technical term] which actually strike the strings. This was often done to make the piano cut through the ambient noise of loud bars and other, uh, social establishments. TH > > Does anyone know what a "Tack Piano" is? I'm sure I'm showing my >ignorance > here. I've seen reference to it twice on liner notes: Weather Report's > "Mysterious Traveler" and the latest release by Stereolab. > > Sorry if this is "off-topic", but it's not as off-topic as all the > socialist-bashing from yesterday! > > Y'all have a great day.