After a month of rehearsals overseen by Glass, Wilson and Childs, the first performance in 20 years took place on January 20, 2012, presented by the University Musical Society at the Power Center for the Performing Arts on the campus of the University of Michigan in Ann Arbor (two additional performances that weekend followed). The performance featured Kate Moran and Helga Davis replacing Childs' and Sutton's roles respectively. Grammy Award-nominated violinist Jennifer Koh played the role of Einstein in the preview and alternated with Antoine Silverman for the subsequent tour. The other instrumental performers and solfege soprano for these performances are the current members of the Philip Glass Ensemble without Glass himself performing. The performers in the 2012 production included members of the Lucinda Childs Dance Company: Ty Boomershine, Matthew Pardo, Patrick O'Neill, Stuart Singer, Lonnie Poupard, Caitlin Scranton, Sharon Milanese, Katie Dorn, Katherine Helen Fisher, Anne Lewis, Shakirah Stewart, and Sarah Hillmon. The chorus for this revival was composed of sopranos Michèle Eaton, Melanie Russell, Lindsay Kesselman; altos Hai-Ting Chinn, Solange Merdinian, Kate Maroney; tenors John Kawa, Philip Anderson, Tomas Cruz; and basses Greg Purnhagen, Joe Damon Chappel, and Jason Charles Walker. The official tour began on March 16, 2012, (after a single preview the previous evening) with the premiere at the Opéra Berlioz in Montpellier, France. This was followed by performances at the Teatro Valli in Reggio Emilia, Italy; the Barbican Centre, London; the Sony Centre for the Performing Arts, Toronto; the Brooklyn Academy of Music Brooklyn, New York; Zellerbach Hall at the University of California, Berkeley, California; the Teatro del Palacio de Bellas Artes, Mexico City: in 2013, at Het Muziektheater/De Nederlandse Opera, Amsterdam; Hong Kong; Arts Centre Melbourne, Melbourne, Australia; Los Angeles Opera, Los Angeles: and, in 2014 there were performances in Paris and Berlin. In October 2015 this production came to an end with performances in Gwangju, South Korea. This touring production of "Einstein on the Beach" was commissioned by: BAM; the Barbican, London; Cal Performances with the University of California, Berkeley; Luminato – Toronto Festival of Arts and Creativity; De Nederlandse Opera/The Amsterdam Music Theatre; Opéra national de Montpellier Languedoc-Roussillon; and the University Musical Society of the University of Michigan.