The Alesis Harmony 61 keyboard has 61 velocity-sensitive keys with adjustable touch response, built-in speakers and over 300 realistic built-in sounds that cover a wide variety of instruments - pianos, strings, brass, woodwinds, percussion, mallets, guitars, synths and even sound effects! You can layer multiple sounds together in Layer mode, or split two sounds across the keyboard in Split mode. Harmony 61 also has 100 built-in songs with easy learning tools and 100 built-in accompaniment rhythms that enable you to instantly create songs in a wide variety of genres. You can even record your own songs using the Record mode. Features include: · 61 velocity-sensitive keys with adjustable touch response · 61 velocity-sensitive keys with adjustable touch response · 320 built-in sounds with layer and split modes · One-touch song mode with 100 built-in rhythms · Play along with 100 songs or record your own · Intuitive backlit LCD screen with chord dictionary and notation · Headphones (not included) mute the speakers for private practice