Method and apparatus for synchronizing and simultaneously playing predefined musical sequences using visual display and input device such as joystick or keyboard

摘要: A plurality of pre-recorded, generated or other sound tracks (e.g. voice, karaoke) are selectable and de-selectable by a user for synchronously mixing with main song track all that playing. The matched synchronized to the track. visual display depicts icons which represent tracks, indicate selected de-selected. creates an individual musical performance interactively selecting de-selecting one more using joystick keyboard on real-time basis instantaneous audible feedback. Depending content each track, various operational modes ensure whenever is selected, result always immediate, musically aesthetically pleasing.