The House of Horrors children were treated to a private performance by legendary cellist Yo-Yo Ma two months after they were rescued in January from their family home where they were allegedly imprisoned, abused and starved for years.<br /><br />The 62-year-old Grammy-winning musician played for all 13 Turpin children before making a speech at the Historic Civic Center Theater in Corona, California on Friday, according to local paper, Press-Enterprise.<br /><br />Residents of Corona have nicknamed the children the "Magnificent 13" during a recent fundraising event in an effort to raise hundreds of thousands of dollars for the siblings.<br /><br />locked up in a room and chained to their beds. Police discovered them after a 17-year-old snuck out the window to get help.<br /><br />Cops say the children were found extremely malnourished and underdeveloped, and were treated at nearby hospitals.<br /><br />The parents, David and Louise Turpin, were arrested and have pleaded not guilty to torture, abuse, and false imprisonment charges.<br /><br />have returned to normal life.<br /><br />According to police, the siblings are now eating a healthy diet that consists of lasagna, fish, and burritos, and are able to play outdoors — which was forbidden while living under their parents home.<br /><br />We pay for juicy info! Do you have a story for RadarOnline.com? Email us at tips@radaronline.com, or call us at 800-344-9598 any time, day or night.