Milkdrop
    HotKeys
    
        The following keys can be used to control MilkDrop while it is running.
        (Note: pressing F1 while MilkDrop is running will show you this list)
            
            GENERAL
            escape: exit to winamp
            
            PRESET LOADING
            spacebar: transition to next preset
            H: instant Hard cut (to next preset)
            R: toggle random (vs. sequential) preset traversal
            L: load a specific preset (invokes the 'Load' menu)
            +/-: rate current preset (better/worse)
            scroll lock: lock/unlock current preset 
                (keyboard light on means preset is locked)
                (prevents random switch to new preset)

            PRESET EDITING AND SAVING
            M: show/hide the preset-editing menu
            S: save new preset (asks you for the new filename)
            N: show per-frame variable moNitor
                (see milkdrop_preset_authoring.html)

            MUSIC PLAYBACK
            z/x/c/v/b: navigate playlist (prev/play/pause/stop/next)
            U: toggle shuffle
            P: show playlist
            up/down arrows: volume up/down
            left/right arrows: rewind/ffwd 5 seconds
            SHIFT + left/right arrows: rewind/ffwd 30 seconds

            FUNCTION KEYS                                
            F1: show help screen
            F2: show song title
            F3: show song length
            F4: show preset name
            F5: show fps (frames per second)
            F6: show rating of current preset
            F7: re-read custom message file (milk_msg.ini) from disk
            F8: jump to new directory (for presets)
            F9: toggle stereo 3D on/off

            SPRITES AND CUSTOM MESSAGES (FOR VJ's)
            T: launch song title animation
            Y: enter custom message mode
                ##: load message ## (where ## is a 2-digit numeric code (00-99) 
                    of a message defined in milk_msg.ini)
                BACKSPACE: clear any digits entered.
                DELETE: clear message (if visible)
                F7: re-read milk_msg.ini from disk
            K: enter sprite mode
                ##: load sprite ## (where ## is a 2-digit numeric code (00-99) 
                    of a sprite defined in milk_img.ini)
                BACKSPACE: clear any digits entered.
                DELETE: clear newest sprite 
                SHIFT + DELETE: clear oldest sprite
                CTRL+SHIFT+DELETE: clear all sprites
                F7: no effect (milk_img.ini is never cached)
            SHIFT + K: enter sprite kill mode
                ##: clear all sprites with code ##
                BACKSPACE: clear any digits entered.