 The San Francisco Ballet performed "Sylvia" from April 21 through May 7, 2006, after successful runs in 2004 and 2005.At the premiere in 2004, the lead was Yuan Yuan Tan.This production of "Sylvia", the Royal Ballet's third, performed November 4 to December 3, 2004, as a part of the "Ashton 100" celebration, a season dedicated to the company's founder.