Music historian Ted Gioia explains the history of music innovation.
Oxytocin is powerful!
It's also the hormone that women generate to breastfeed their children.
Wanna know the impact of sound in humans?
Ask a women that is currently breastfeeding her newborn, what happens when she hears a baby cry.
To true about HP start in audio test equipment. Every broadcast station and recording studio had HP gear to analysis audio distortion, equipment frequency response and wow and flutter of tape machines. Great gear, rugged design, and a lot it is still in service (the analog audio chain is alive and well - thank you). Of course, audio dongles attached to your laptop does make life easier these days.