Johann Sebastian Bach - Was die Welt in sich hält, BWV 64

"Sehet, welch eine Liebe" (Behold, what manner of love) is a church cantata composed by Johann Sebastian Bach. It is designated as BWV 64 in the Bach-Werke-Verzeichnis (Bach Works Catalog). Here are some interesting facts about this particular piece:

Composition Date: Bach composed "Sehet, welch eine Liebe" in 1723 during his first year as Thomaskantor in Leipzig. He wrote the cantata for the Third Day of Christmas, which is December 27.
Liturgical Context: The cantata was composed for the occasion of the Third Day of Christmas, which celebrates the Feast of St. John the Evangelist. The Gospel reading for this day is from the prologue of the Gospel of John, emphasizing the theme of divine love.
Text Source: The libretto for BWV 64 was likely written by an unknown poet associated with the Leipzig circle. The text explores the theme of divine love as expressed through the birth of Jesus Christ.
Structure: The cantata consists of six movements: three choral movements, two recitatives, and an aria. The structure is typical of Bach's cantatas, balancing contemplative moments with more lively and expressive sections.
Instrumentation: The orchestration of "Sehet, welch eine Liebe" includes strings, oboes, bassoon, and continuo. The use of these instruments contributes to the rich and varied texture of the work.
Opening Chorus: The cantata opens with a powerful and festive choral movement, where the choir and orchestra combine to convey the grandeur and significance of the message. The text reflects on the wondrous love of God as manifested in the birth of Christ.
Bass Aria: The fourth movement is a bass aria titled "Er ists, der ganz allein / Mein Herze soll ein Altar" (It is He, who alone / My heart shall be an altar). The aria is characterized by a lyrical melody and expressive writing for the solo bass voice.
Theological Themes: As with many of Bach's sacred works, "Sehet, welch eine Liebe" explores profound theological themes, drawing on biblical texts to convey messages of redemption, love, and salvation.
Chorale Usage: Bach often incorporated chorale melodies in his cantatas. In this work, the final movement is a chorale that features the melody of the hymn "Gelobet seist du, Jesu Christ" (Praise be to You, Jesus Christ).
Legacy: While not as well-known as some of Bach's other cantatas, "Sehet, welch eine Liebe" is appreciated for its theological depth, musical complexity, and the way it captures the spirit of the Christmas season.

Listening to the cantata provides a beautiful and insightful experience into Bach's masterful handling of choral and instrumental forces to convey profound spiritual messages.