In music, form refers to the structure of a musical composition or performance. ... These organizational elements may be broken into smaller units called phrases, which express a musical idea but lack sufficient weight to stand alone.
        
             
        
        
        
Answer: chords and harmony
Explanation:
Coleman Hawkins used hormonic improvisation or vertical playing to create a name for himself. He brought a unique timbre, heavy dark way of playing with a sense of drama. He made the sax a real instrument and not a joke as sewn by people then.