 Examples from the 21st century include "Pauline" by Tobin Stokes (libretto by Margaret Atwood), "The Corridor" by Harrison Birtwistle, "El Caballero de la triste figura" by Tomás Marco and "The Sound of a Voice" by Philip Glass.Adams' "On the Transmigration of Souls" (2002) is a choral piece commemorating the victims of the 11 September 2001 attacks (for which he won the Pulitzer Prize for Music in 2003).Roxanna Panufnik's recent output includes "The Song of Names" and "All Shall be Well".