A minor chord is a type of musical chord that creates a sad or somber sound. It is formed by combining three specific notes: the root note, the minor third, and the perfect fifth. For example, in a C minor chord, the notes are C, E♭, and G. The minor third interval gives the chord its distinctive melancholic quality. In music theory, minor chords are often used in various genres to evoke emotions. They can be found in classical compositions, jazz, and popular music. Understanding minor chords is essential for musicians and composers, as they play a crucial role in creating mood and tension in a piece.