A music play control apparatus and method for a music player using at least one earphone function key are provided which are capable of performing a music play control operation of the music player using earphones. In the music play control apparatus and method, an external key input from left/right...http://www.google.de/patents/US7783057?utm_source=gb-gplus-sharePatent US7783057 - Music play control apparatus using at least one earphone function key and method thereof