Keyboard with illuminated keys from Casio. The LK-135 provides a great start for anyone wanting to play the keyboard. With Casio's innovative Lighted Key system showing you which keys to press to learn any of the 100 built-in song, you'll be playing straight away. There are also 120 different sounds and 70 rhythms that provide superb backings for many different styles of music. Plus, the new Dance Music mode, unique to Casio keyboards, lets you become a DJ and create some amazing dance tracks. In Dance Music Mode, keyboard players can create amazing dance tracks and remix them on the spot simply by pressing different key combinations. There are 50 modern dance music styles to choose from, including House, Hip-Hop and EDM.