
Johann Sebastian Bach
| BWV | 128 | 
| Title | On Christ's ascent to heav'n alone | 
| Composed | 10th May 1725, Leipzig | 
| Scoring | Choir 
          for 4 voices  | 
    
| Movements | Choir: 
        On Christ's ascent to heav'n alone Recitative (Tenor): I am prepared, come, summon me! Aria (Bass): Up, up, with lively sound Aria (Alto, Tenor): His boundless might to fathom Chorale: Therefore then shalt thou me  | 
    
| Category | Spiritual Cantata | 
| Event | Ascension | 
| Author of text | Christiane Mariane von Ziegler | 
| Text Choir: Soprano, Alto, Tenor, Bass Horn I + II Oboe I + II Oboe d`amore I + II Oboe da caccia Violin I + II Viola Basso continuo (Cantus firmus in Soprano) Recitative: Tenor solo Basso continuo Aria: Bass solo Trumpet Violin I + II Viola Basso continuo Aria(Duetto): Alto solo, Tenor solo Oboe d`amore I Basso continuo Chorale: Soprano, Alto, Tenor, Bass Horn I + II Oboe I + II Oboe da caccia Violin I + II Viola Basso continuo  | 
      
 Therefore 
          then shalt thou me  | 
    
| Epistle | Acts 1: 1-11  | 
    
| Gospel | Mark 16: 14-20  | 
    
| Bibletext | 1. 1 Corinthians 13:12; 2. Acts 7:55; 3. Matthew 25:33 | 
| Manuscript | University library, Warzawa |