Product Detail 400 Advanced Tones + 200 Preset Tones + 20 Drum Sets + 100 standard user tones + 20 user tones with waves*1 + 4 user drum sets with waves Approximately 4MB Built-in Flash memory lets you expand your selection of tones and rhythms by downloading data from the CASIO MUSIC SITE A selection of 166 rhythms includes accompaniments for everything from rock to pops and jazz. Effects - DSP (200 types - internal, 100 user areas) + Reverb (16 types) + Chorus (16 types) + Equalizer (10 types, 4 bands) Big built-in, backlit display shows chord names, tempo setting, keyboard information, staff notation of notes played . The "Casio WK-3800DX 76 Key Digital Music Keyboard Workstation" is best product for you. We recommended Casio WK-3800DX 76 Key Digital Music Keyboard Workstation