These are magical garden sculptures. Each one is designed to have water pumped through the trunk and out along the leaves.

Alex Metcalf’s “Tree Listening Installation“:

Taken directly from Alex’s website:
As you approach the installation you will see 9 sets of headphones suspended from the branches of a very large and impressive Sessile Oak tree, and a beautiful Chestnut Leaved Oak. From these headphones the public is given the opportunity to listen to the sound of the [...]

The glass armonica’s ghostly notes will cause insanity in its musicians and listeners! At least this is what was thought to be true in the 18th century. People were frightened by the armonica’s sound due to it’s strange interactions with the human brain and ears (more on this later). Benjamin Franklin invented the [...]

Powered by three states of matter (excluding plasma), a violin (solid), a clarinet (gas), and a hydraulophone (liquid) come together to produce this unique version of “Summertime.” Steve Mann (center) is the inventor of the modern hydraulophone.

They are best described as self-cleaning, musical, water-fountain keyboards. Hydraulophones are very similar to woodwinds, but hydraulophones run on incompressible fluid (usually water) rather than compressible fluid (air). Hydraulophones are sometimes called ‘woodwater’ instruments. Hydrolophones have the characteristic of polyphonic embouchure, meaning that the player can dynamically “sculpt” each note by obstructing [...]