The various embodiments provided herein are generally directed to a method, system, and/or device for providing rehabilitation and assessing function from a portion of the human body. In one embodiment, there is disclosed a method, system, and/or device for providing rehabilitation and assessing of hand function using an audio interface. The audio interface may be a music-based interface and device may include a monitor unit, such as a hand monitoring unit, for providing data of a movement to a computing device, such as a microcontroller. The computing device may output data to a music-based interface.