h this help m band / rectangles t stage: preset, row, notes, tracks l tracks feeding each performer r reload presets.json d demo performance e the band walks off, and back to its usual places p the same, but back to where you dragged them x forget the dragging: everybody walks home f fullscreen - = figures smaller / bigger , ; lines thinner / thicker drag anybody by the middle to move them w wobble 0 back to the standard look drop a .mid on the window to play it space pause, v sound on / off