Casio CTK-450

61 Full-Size Keys: This is a 5-octave range, which is the standard "sweet spot" for learning. It's enough to play most pop and classical pieces without running out of room. • 64 Tones: Includes standard piano, organ, and synth sounds. • 64 Rhythms: Built-in drum patterns to play along with. • Song Bank: It has 32 built-in tunes and "free sessions" which are designed to help you practice melody and timing.

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