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37 KEY; LIGHTING; 8 MUSICAL INSTRUMENT TIMBRES; RECORDING AND PLAYBACK FUNCTION, A VARIETY OF ROCK STYLES; SOUND EFFECTS OF ANIMAL CALLS AND MUSICAL INSTRUMENTS; UP TO A DOZEN DEMO SONGS; MP3 EXTERNAL FUNCTION CAN CONNECT A VARIETY OF PLAYBACK DEVICES, MICROPHONES, AND MOBILE DEVICE CONNECTION CABLES; USB POWER CORD