Perfoming Forces
- The choir is made up of sopranos, altos, tenors and basses (SATB)
- They are accompanied by strings and continuo. The continuo is played by the Cello and Harpsichord (or Organ).
- The orchestra frequently doubles the vocal lines.
Structure
- The work starts with an orchestral introduction, called a ritornello
- There is no set form to the movement. It is based on different combinations of four motifs.
1. First sung by the altos, starting in bar 11, it clearly outlines the key of A major
2. First sung by the tenors, starting in bar 17. This motif uses a descending sequence and a melisma on the word 'revealed'.
3. First sung by the altos, starting in bar 43.
4. First sung by the tenors and basses, starting in bar 51. As most of it is on the same pitch (A), and it uses longer notes, it sounds rather solemn.
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