Brigham of Brigham Larson Pianos demos the QRS Player Technology on a Hailun 121 upright piano. The QRS Player Technology can be controlled from your tablet or mobile device. It has a large variety of control options and songs to choose from. The QRS can be installed on any piano, upright or grand. Choose your piano, and we can install the system for you! Come check it out for yourself at Brigham Larson Pianos in Orem, UT.