Major chords like C, F, and G have a root note, a major third, and a perfect fifth, resulting in a cheerful sound.
Minor chords with root notes like D, A, and E have a minor third and a perfect fifth, resulting in a melancholy tone.
Diminished chords, including the B diminished chord, contain a root note, a minor third, and a diminished fifth, resulting in musical instability.
Augmented chords, such as C augmented, use a root note, major third, and augmented fifth to create tension and anticipation.
Seventh chords, which include major, minor, and dominant, add complexity and color to a composition and influence its overall mood.
Suspended chords, like Csus2 and Csus4, create tension by replacing the third with a second or fourth, resulting in a more stable chord.