Tracing the roots of the piano to the very beginning of consciousness, when man first became aware of sound.
Johann (Georg) Andreas Stein (1728 – 1792), German keyboard instrument maker and organist, whose many experimental contributions to the piano rival its inventor, Bartolomeo Cristofori.
- Latcham, Michael. "Stein, Johann (Georg) Andreas." Oxford Music Online. Oxford University Press, 2007 – 2015. Web. 14 Sept. 2015.