Recording of John Levack Drever's Butterfly Lovers. The title represents a traditional Chinese story presented in Cantonese. Sonic material generated from the grain (i.e. internal rhythm and timbre) of the recording of Wing Man Kwok's voice and two passages for flute. The work can be experienced on a phenomenological level with its emphasis on the sonic; equally and mutually it can be approached by the listener from a programmatic perspective (i.e. cinema for the ears).

This Law is enacted for the purpose of preventing and controlling environmental noise pollution, protecting and improving the living environment, ensuring human health, and promoting economic and social development.