Mozart later revised the work to include two oboe parts.
The oboe part, for example, will just have the notes that the oboe plays.
In the early 20th century, the C soprano was marketed to those who wished to perform oboe parts in military band, vaudeville arrangements, or church hymnals.
The obbligato instrument is the marked "organo" in the score, but the part is written in the oboe part.
The slow movement, in F, contains notable concertante work in the bassoon and two oboe parts.
(The opera's superb oboe part was also composed for Ramm.)
Nielsen no doubt played the oboe part on the violin.
Randall Ellis played the oboe part colorfully and well, with solid support from the orchestra's strings.
The oboe part is notoriously extensive and difficult.
Stephen Taylor was the solo oboist, and gave a beautifully polished performance of the prominent oboe part.