Casio LK 280: Hard To Say I'm Sorry (midi) - YouTube
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AC Adapter + Sustain Pedal for Casio LK-160 LK-165 LK-240 LK-247 LK-280 Keyboard | eBay
Casio LK-280 SD midi - YouTube
Casio LK 280: Jamaica Farewell (midi) - YouTube
Casio LK 280 vs Yamaha EZ 220: Features, Pros & Cons, and How to Choose – Piano Keyboard Reviews
Casio LK280 Light Up Keyboard. HOWTO play MIDI files - YouTube
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CASIO LK-280 61-Key Lighted USB Keyboard with MP3 Connection, SD Card Slot, and 600 Tones - Walmart.com