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Collaborative song writing
Band members of 'Dog Eat Dog' reflect on their collaborative, often anarchic approach to songwriting in a style which fuses metal and rap.
How a choir works – choral polyphony
Choral polyphonic texture is explored through performance and commentary by choral experts including Gareth Malone who demonstrates this device by conducting a choir who perform William Byrd's 'Mass for Three Voices'.
Using environmental sound to make music
An engineer on the London Underground has used his unique access to record the strange sounds of the capital's transport system.