Complex sentence: Krebs's Fantasia in F minor for oboe and organ is one of his most expressive and his most famous works, as well as the "Eight Short Preludes and Fugues" that are sometimes attributed to him as well as to his father and J.S. Bach.
Split into simpler sentences: Krebs's Fantasia in F minor for oboe and organ is one of his most expressive works. It is among his most famous works, as well as the "Eight Short Preludes and Fugues" that are sometimes attributed to him as well as to his father and J.S. Bach.