FYI: Acoustics, Architecture & Health

I found this brilliant speaker on Ted Talks. It's true that the sounds in hospitals aren't conducive to healing. How can sound healers get involved here?

FYI--Consider Sound Vibration and Frequency

I'm continually fascinated by sound frequency, geometry, and how our minds, bodies and souls are affected by sound.  I found this video on YouTube and although it's poor quality, the subject matter is worth sharing.  You might wish to skip past 20 through 45 minutes.