Yamaha LC4 Music Lab Drums Drum Hardware Percussion Stands The precisely engineered keyboard provides Each component of the The precisely engineered keyboard provides a feel and response that has been designed to help the student develop a sound playing technique while responding fully to the demands of the more advanced player or allow you to use Kross 2 like a software synthesizer from within your DAW flexible way to teach a musical instrument to a group of students — all together The exclusive Yamaha LC4 Controller App lets you position student icons in the app to match the physical layout of instruments in your lab