The only surviving parts of Haydn’s missing double bass concerto are the first two measures. It is assumed that this concerto dates back around 1763, around 2 years after Haydn was hired as a full-time composer for the Prince’s Orchestra. Haydn wrote it specifically for the second bassoonist that also played double bass in the orchestra, Johann Georg Schwenda.
Only fragments of Haydn’s missing double bass concerto remain, consisting of the first two measures. It is believed that this concerto was written around 1763, shortly after Haydn joined the Prince's Orchestra as a permanent composer. The piece was created for Johann Georg Schwenda, who played both double bass and second bassoon in the orchestra.