Catacombs of Yucatan Pendulyre by Dan Senn Rooster Vallery, Minnesota October 1995 | Click photo to enlarge. hear instrument play | Made from pine dowels, nylon line, springs, grommets, hooks, piezos, audio cable and cloth. Cloth mixing skirt used to mix output to stereo field. Nylon pendulum lines alternate with pitched nylon lines which thread piezos (2) also used for tuning. Pine pendulums strike nylon lines either side of piezos to create harpsichord-like sounds. Pendulums are put in motion by lines attached to pumps beneath instrument. Pumps consist of modified full range speakers playing subaudio tones. Subaudio control tones may be generated live or stored on CDs. Creates harpsichord-like sounds. | MAIN MENU