This instructable is about an instrument I made, which incorporates a simple multi-touch surface with solenoids.
I will be treating this as documentation of my process, rather than a "how-to" for people to copy my project. My hope is that you will either find this to be interesting or inspiring for your own projects, which may or may not be similar at all.
Since the project is very similar to other instructables, I may be more brief in certain areas, and give more attention to parts that I feel are unique to my experience.
For more information on details, you may refer to:
cerupcat's How to make a Cheap Multitouch Pad
mechatronic's Arduino Controlled Bell Tower/Carillon