The vocal cords (or vocal folds) are located in your larynx (voice box). When you 'vocalise', air from the lungs passes the vocal cords and they will start vibrating. This vibration produces sound. The vocal cords can be stretched to make higher tones. They can also become thicker and thinner.#singing#voice#video#larynx#voicebox#vocal#technique#tips#cords#folds