This a cappella collection of pieces for mixed choir by Eric Whitacre is the first available printed music compilation of its kind for the composer. The book includes pieces of varying difficulty, wide-ranging in theme, from the iconic Sleep and Water Night to the quietly angelic Lux Aurumque (Light and Gold) and the recent Nox Aurumque (Night and Gold). A Boy and a Girl and This Marriage are both wonderfully tender pieces and the inclusion of the early Go, Lovely Rose marks the beginning of a journey through Whitacre's choral output from his first success to the present day.