In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. The Casio CELVIANO AL-100R features a dual-color Key Lighting System and an Advanced Lesson System that help to make your dreams of piano proficiency come true. The AL-100R provides you with the tools to play in style, with authentic tones sampled from a concert grand piano. Features include built-in metronome, sequencer, a large backlit LCD screen, and more!