Open Source San Jose has a number of projects.
One of which is Heart of the Valley.
This project maps San Jose's public art.
Don't miss the nifty search function.

Singing Stone (2012) by Living Lenses
March 2026
37°18'9" N
122°1'24" W
Photo: NMoroney

Another image of The Singing Stone (above) via the San José Public Library's flickr.
The artists Living Lenses also have a video about the work.
See also the SJC public art collection pages and map.