?? ??? ? ? ???? click here ???? ???? ?? ??? ??? ?? ??? ??? ??. To take advantage of of one's karaoke encounter, warm up your voice before you start singing. very simple vocal exercises will let you strike People high notes and stay clear of straining your voice. ?? ???? ???? ?? ???? ?? ???? ???? ???? ?? ? ??. ?? ??? ???? ???? ????? ????? ??????