All-Night Vigil

The choral concerto is a genre of Eastern Orthodox sacred music that emerged in the mid‑seventeenth century in the Russian Empire, particularly through the work of Ukrainian composers and chapel traditions. Written for unaccompanied choir (a cappella), these works are typically multi‑sectional and contrast homophonic, declamatory blocks with brief soloistic or small‑ensemble passages. Texts are drawn from Psalms and other scriptural or festal sources in Church Slavonic. In liturgical practice, choral concertos were sung during the Divine Liturgy at the moment when the clergy took Holy Communion—just before the Communion of the faithful—so they balance contemplative devotion with vivid rhetorical projection. Stylistically, the genre fuses native chant and Orthodox polyphony with Baroque concepts of contrast and sectional articulation. Although concise, many pieces employ double‑choir writing, antiphonal effects, and expressive dynamic “terracing,” all while maintaining the Orthodox prohibition against instruments inside the church.

Classical music is the notated art-music tradition of Europe and its global descendants, characterized by durable forms, carefully codified harmony and counterpoint, and a literate score-based practice. The term “classical” can refer broadly to the entire Western art-music lineage from the Medieval era to today, not just the Classical period (c. 1750s–1820s). It privileges long-form structures (such as symphonies, sonatas, concertos, masses, and operas), functional or modal harmony, thematic development, and timbral nuance across ensembles ranging from solo instruments to full orchestras and choirs. Across centuries, the style evolved from chant and modal polyphony to tonal harmony, and later to post-tonal idioms, while maintaining a shared emphasis on written notation, performance practice, and craft.