Hello, Samba music is a type of Brazilian music that is often associated with Carnival and other festive occasions. It is characterized by its upbeat rhythms and syncopated melodies. The cord progression for Samba music is typically based on a two-bar pattern that alternates between the tonic and dominant chords. This two-bar pattern is then repeated throughout the song, creating a steady groove. The most common chord progression for Samba music is I-vi-IV-V (or I-VI-ii-V). This progression uses the tonic (I), subdominant (IV), dominant (V) and relative minor (vi) chords to create a harmonic structure that supports the melody. The tonic chord provides a sense of resolution, while the subdominant and dominant chords provide tension and movement. The relative minor chord adds an interesting twist to the progression, creating an unexpected harmonic change. In addition to this basic chord progression, Samba music often includes other chords such as the ii, iii, viio, or even borrowed chords from other keys. These additional chords can be used to add variety to the song or create more complex harmonic structures. Overall, Samba music has a unique sound that is created by its characteristic two-bar chord progression. This progression uses the tonic, subdominant, dominant and relative minor chords to create an exciting groove that supports the melody of the song. Additional chords can also be used to add variety or complexity to this basic structure.