Which of the following are among the solo instruments Bach uses in his Brandenburg Concerto no. 2 in F Major?

Bach's Brandenburg Concerto No. 2 in F Major prominently features the trumpet and violin as solo instruments. The concerto is notable for its vibrant and energetic orchestration, where the trumpet plays a crucial role in adding brilliance and a martial quality to the overall sound. The violin, alongside the other solo instruments, engages in the dialogues and intricate interplay that characterize the concerto's lively structure.

While the other options include instruments that may be involved in orchestral music, they do not appear as soloists in this specific concerto. The piano and clarinet, for instance, are not part of the instrumentation Bach employed in this work. Similarly, the flute, cello, oboe, and double bass are not aligned with the distinct solo set Bach created for this piece, which specifically showcases the unique combination of the trumpet, violin, and other instruments like the recorder and the continuo.

In summary, the combination of trumpet and violin is essential to understanding the distinctive texture and color that Bach achieved in this notable composition.