December and 1 January, also on this first Sunday after Christmas a church service with music was held, and similar for a Sunday between 1 and 6 January (second Sunday after Christmas, or: first Sunday after New Year). 1714–1729 Before Bach composed his Christmas Oratorio for the 1734–35 Christmas season in Leipzig, he had already composed Christmas cantatas and other church music for all seven occasions of the Christmas season: Before his Leipzig period he composed, as part of his Weimar cantata cycle: Christmas, : Christen, ätzet diesen Tag, BWV 63. First Sunday after Christmas, : Tritt auf die Glaubensbahn, BWV 152. For the 1723–24 Christmas season, during his first year as musical director of Leipzig's principal churches: Christmas Day: repeat performance of BWV 63, which thus became part of his first cantata cycle, and, as part of the Latin Church music he composed for Leipzig, his Magnificat, BWV 243a (version with Christmas interpolations) and Sanctus in D major, BWV 238. Second Day of Christmas: Darzu ist erschienen der Sohn Gottes, BWV 40. Third Day of Christmas: Sehet, welch eine Liebe hat uns der Vater erzeiget, BWV 64. New Year's Day: Singet dem Herrn ein neues Lied, BWV 190. Second Sunday after Christmas (): Schau, lieber Gott, wie meine Feind, BWV 153. Epiphany: Sie werden aus Saba alle kommen, BWV 65. For the 1724–25 Christmas season, as part of his chorale cantata cycle (except for the Latin Sanctus): Christmas Day: Gelobet seist du, Jesu Christ, BWV 91 (early version), and Sanctus for six vocal parts, BWV 232/III (early version). Second Day of Christmas: Christum wir sollen loben schon, BWV 121. Third Day of Christmas: Ich freue mich in dir, BWV 133. First Sunday after Christmas (31 December): Das neugeborne Kindelein, BWV 122. New Year's Day: Jesu, nun sei gepreiset, BWV 41. Epiphany: Liebster Immanuel, Herzog der Frommen, BWV 123. Cantatas of Bach's third cantata cycle, for the Christmas seasons of 1725–26 and 1726–27: Christmas Day (1725): Unser Mund sei voll Lachens, BWV 110. Second Day of Christmas (1725): Selig ist der Mann, BWV 57. Third Day of Christmas (1725): Süßer Trost, mein Jesus kömmt, BWV 151. First Sunday after Christmas (30 December 1725): Gottlob! nun geht das Jahr zu Ende, BWV 28. New Year's Day (1726): Herr Gott, dich loben wir, BWV 16. Second Sunday after Christmas (): Ach Gott, wie manches Herzeleid, BWV 58 (early version). Four of these