 The cantata in two parts of 7 and 4 movements was scored in Leipzig for soprano, alto, tenor, and bass soloists, a four-part choir, trumpet, oboe, bassoon, two violins, viola, and basso continuo.The movement numbers of cantata 70a are given in brackets.Bach shaped the opening chorus in a da capo form and used a technique to embed the vocal parts in the concerto of the orchestra.