Vocals refer to the sounds produced by the human voice, often used in music and speech. In music, vocals can be performed solo or as part of a group, and they can convey emotions and tell stories. Different styles of vocals include singing, rapping, and chanting, each with its unique techniques and characteristics. In a musical context, vocals are typically accompanied by instruments, creating a fuller sound. The quality of vocals can be influenced by factors such as vocal training, technique, and the singer's physical condition. Famous vocalists, like Whitney Houston and Freddie Mercury, are known for their powerful and distinctive vocal styles.