GrandPiano Lite is a multitouch 96 key and 8 selectable octaves piano optimized for high performance and responsive touch. Multi-touch, keyboard, and mouse support. HQ stereo sounds, sustain button and reverb for increased realism. Configurable metronome and keyboard mappings. Displays one or two sets of size changeable keyboards. Ability to scroll in the scrollbar area or with arrow buttons to see different sets of keys.