Abstract: The present invention relates to systems for music display and collaboration. In one exemplary embodiment of the invention, a tablet computer includes a first display unit with a front surface, a display device mounted in the front surface, and a first back surface. The tablet computer also includes a second display unit with a front surface, a display device mounted in the front surface, and a back surface. Finally, the tablet computer also includes a hinging assembly coupling the first display unit to the second display unit. The hinging assembly defining an axis of rotation that allows each display unit to rotate about 360° around the axis of rotation with respect to the other display unit.