The invention pertains to devices utilized by artists that produce musical sounds and aesthetic lights, including lights that correspond to the sounds. More specifically, the invention pertains to a modular system comprising modules of a play device, such as a smart phone, a fingerboard comprising a keyboard and lights corresponding to the keys and a docking station for mounting and joining the play device and fingerboard together. Using music and light control application software loaded on the play device and the keys of the fingerboard, the play device and fingerboard exchange and communicate sound and light information and instructions with each other. The play device plays sounds and the fingerboard displays lights.