Conway is leading the Causes.com campaign along with other big names including Ryan Seacrest, Jack Dorsey, Britney Spears, MC Hammer, Suze Orman and Tyler Florence.
After all, the piano is such a welter of machinery: Push a key and before you hear a note, a small lever pushes against an intermediate lever, which pushes a jack, which pushes a roller, which pushes a hammer toward the strings.