What is the significance of the BFG chord in music theory and how is it commonly used in compositions?

The BFG chord, also known as the Neapolitan chord, is significant in Music Theory because it adds a unique and dramatic sound to compositions. It is commonly used as a chromatic chord that provides tension and a sense of resolution when transitioning between chords. Composers often use the BFG chord to create emotional depth and interest in their music.