A system for positioning and controlling sound images in three-dimensional space, comprising: a three-dimensional motion sensing input device; and a computer system incorporating a digital audio workstation application including a gesture library and one or more built-in features, the computer system being connected to the three-dimensional motion sensing input device by a communication link, wherein gestures that are pre-defined in the gesture library are captured by the three-dimensional motion sensing input device and are provided to the computer system via the communication link and used by the digital audio workstation application to position a sound image in three-dimensional space or to control one or more built-in features of the digital audio workstation application.