The Alesis Concert 88-Key semi-weighted digital piano is an attractive piano with a depth of sound. You get this rich sound quality thanks to the enveloping power of 128-note polyphony, which you can make even stronger using the included sustain pedal and pedal resonance. Learn advanced technique. The Alesis Concert has semi-weighted keys with adjustable touch response, so you can get used to a natural piano touch and add true expression to your sound. You can get experimental with 10 premium voices which you can tailor and make your own with layer and split mode. Enjoy the perks of going digital.