INT 1A - SND - PLAY MUSIC STRING IN BACKGROUND AX = FF04h DS:DX -> ASCIZ music string Return: AH = status 00h successful (music begins playing in background) 01h busy Note: the music string accepted by SND is not the same as that accepted by BASIC and other programs which process music strings SeeAlso: AX=FF00h,AX=FF05h,INT 80/BX=0006h