by Anita Ganeri. Do you think of your voice as an instrument? Here we discover the many ways voices are used musically around the world. See photos of solo and ensemble, illustrations of the vocal chords and read about different ways to produce sound with the voice. Read about the types of voice, choir, opera, Chinese opera, throat singing, chanting, Indian voices, African voices, Qawwali and yodeling, as well as gospel, blues, jazz, reggae, hop-hop and rap. Hardback.