OT: Architect Nikola Basic has recently received the European Prize for Urban Public Space for the very cool Sea Organ project, an architectural and experimental musical object located in Zadar, Croatia.
“The Sea Organ is a pipe organ that has a set of 35 musically tuned tubes located underneath a set of large marble steps played [...]

The guys at Haken Audio, the creators of the Continuum Keyboard, have published a video that showcases the awesome power of MIDI-controlled Tesla coils.
Here’s the story behind it:
Mark Smart performs live in Urbana, Illinois on March 7, 2008.
This outdoor concert was part of a student-run open house for the College of Engineering at the University [...]

OT: Terje Isungset makes instruments out of ice and performs at nordic ice festivals.
Most of the information on him and his music seems to be in Norwegian, but here’s the official blurb on it from his label:
The instruments are made from top quality ice. It must be free of any air bubbles. The instruments are [...]