The "St. Matthew Passion" is a sacred oratorio composed by Johann Sebastian Bach in 1727. It is based on the biblical account of the Passion of Christ as told in the Gospel of Matthew. The work is structured for soloists, choir, and orchestra, featuring a rich tapestry of vocal and instrumental music that conveys deep emotional and spiritual themes. This composition is typically performed during the Lenten season, particularly on Good Friday. It consists of two parts, with a total duration of about three hours. The "St. Matthew Passion" is renowned for its intricate choruses, arias, and recitatives, making it a significant masterpiece in the Western classical music tradition.