The following three movements are distinguished by their obbligato instruments.

This sound palette is further expanded by his more recent use of electronics, using digital delay on obbligato instruments with choir.

In many arias Bach uses obbligato instruments, which correspond with the singer as an equal partner.

An oboe d'amore as the obbligato instrument plays extended melodies.

The soprano aria seems to lack a part for an obbligato instrument.

The mood shifts completely in the second movement when the violin enters with soloistic fervor and the cello serves as an obbligato instrument.

In the Weimar version, it is C minor, with a viola as the obbligato instrument in movement 6.

In the 1740s version for bass, an oboe da caccia is the obbligato instrument.

Mincham notes that the final aria corresponds to the first in similarity of the scoring with the obbligato instrument, key, and triple time.

Nocturne, for tenor, 7 obbligato instruments, and strings, Op.