Philipp Joseph Frick (1740-1798), organist at the Court of the Margrave of Baden-Baden, was the one of the first virtuosi to concertize on Benjamin Franklin's Glass Harmonica. He settled in London 1778, and composed his Oboe Concerto in G Major shortly thereafter. Was this work intended for Johann Christian Fischer, the most-important oboist in England at the time? In any case, someone at the court of Öttingen-Wallerstein must have heard this concerto and ordered a copy of the parts; unfortunately the copyist was not very precise, and any performance from his parts would have resulted in a major catastrophe.

The first movement is set in ritornello-sonata form, the oboe soloist playing a good part of both Ritornellos I and III an octave above Violin I. The slow movement consists of two episodes surrounded by three ritornelli. Episode II is a recapitulation of Episode I. The ornamentation here is thick: the result of the eighth note pulse is a 32nd-note cantilena containing many 64th-note trills. The Minuetto finale is laid out as a rondeau with four solo couplets, the third and fourth of which feature difficult triplet and quadruplet passagework respectively.