video
Ryu Hankil(speaker with piezo), Jason Kahn(analog synthesizer)
Jason Kahn(analog synthsizer), Jin Sangtae(Hard drives)
Park Seungjun and Choi Joonyong (speaker cones)
picture
Jason Kahn : analog synthsizer
Jin Sangtae : hdd, pda
Ryu Hankil : speaker with piezo vibration
Choi Joonyong : vibration speaker
Park Seungjun : vibration speaker