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.degree. around the axis of rotation with respect to the other display unit.