Meason Wiley & Amber Lepley Übeldrohne is an electro-acoustic instrument that utilizes four bass strings, motors, and slide levers to create polyphonic bass drones. Combining elements of a traditional electric bass and pedal steel, as well as more unique augmented instruments such as Andrew McPherson’s magnetic resonator piano and Trimpin’s adapted piano “singer” instruments,  the Übeldrone was designed to create low frequency …