Essra Mohawk (born Sandra Elayne Hurvitz on 23 April 1948) is an American singer-songwriter who has recorded a dozen albums, many receiving critical acclaim, and penned the hits "Change of Heart" for Cyndi Lauper and "Stronger Than the Wind," recorded by Tina Turner. She is also a former member of Frank Zappa's The Mothers Of Invention. After her brief stint with his band Zappa signed her to his record label Bizarre where she recorded one album under her real name Sandy Hurvitz, 1968's Sandy's Album Is Here At Last!