Yamaha PSR-E423 KeyboardPanel Tour Sampler, Audio Chord GuideFrom Link-to-Learn MobileWould you like to explore the panel of your Yamaha keyboard and learn about the basic features? Our mobile experience gives keyboard enthusiasts the ability to explore a host of exciting panel features in a fun, intuitive panel interface called the Panel Tour. Plus, we've included a musical learning tool as well - the Audio Chord Guide, which teaches chords via a music staff and a virtual keyboard!FEATURES: Text-based descriptions of the main panel features Full, interactive instrument panel Chord Dictionary with staff, keyboard, and audio samples Video Lessons include: "Using the Arpeggio Feature Using Live Control One Touch Settings Registration MemoryPanel Tour: In Learn View mode, you can explore the keyboard's panel by moving your finger across the virtual instrument panel on the screen. Just tap on a location, and instantly read a summary about the benefits of that particular feature. In addition, we've also included 4 educational Link-to-Learn videos that teach you how to use the selected feature. Each video guides you through a feature using step-by-step, close-up procedures and musical demonstrations, all at the hands of a world-class Yamaha product specialist. It's musical education in the palm of your hand - a tool that helps even the novice master their keyboard. Audio Chord Guide: If you can see the chord on the keyboard, read the chord on the staff, and hear the chord being played, you'll master playing basic chords in minutes. Introducing our Audio Chord Guide, and interactive chord dictionary that teaches the notes of 9 different basic chord types in all 12 keys, for a total of 108 chords! Select a chord by key and type, and instantly SEE and HEAR the notes of that chord come to life. Continue the learning experience at Link-to-Learn Music, where we offer a large library of video lessons covering product features, music education, and technology.