user interface allow to look up chords by root note, chord type and chord variations, and you can see displayed chord in various neck positions. Backlit LCD touch screen helps you easily navigate through the entire chord library, and it fits easily in guitar case. Displays all chords for both right- and left-handed musicians.  (less)

improve your basic skills. The PSR-E223 keyboard has 375 voices, including the amazing Portable Grand with which you can let your inner talent shine. The Yamaha PSR-E223 keyboard gives you 32-note polyphony, with 9 digital reverb effects including a new chorus. It is also GM and XGlite-compatible. Simply connect The Yamaha PSR-E223 to your computer and enjoy the extra benefits. The PSR-E223 can be powered by the optional Yamaha PA-130 AC adapter power supply (sku#336005) or six AA batteries (not included).  (less)

and the music business; The Dictionary of Musicians provides more than 400 capsule biographies of composers and other musicians; and Reference Charts give instant, at-a-glance summaries of the essentials of music, encompassing instrumental and vocal ranges, notation signs and symbols, and scales, modes and key signatures.  (less)