INT 62 u - FGDRIVER v1.10 - "FG_VOICES" - PLAY SOUNDS IN BACKGROUND
        AX = 008Bh
        ES:BX -> tone array (see below)
        CX = number of times to repeat tone array
Notes:  FGDRIVER is the external video driver for the shareware
          Fastgraph/Light by Ted Gruber Software
        only available on PCjr and Tandy 1000
SeeAlso: AX=008Dh,AX=008Eh,AX=008Fh,AX=0091h

Format of tone array element:
Offset  Size    Description
 00h    WORD    channel number (0000h terminates array)
 02h    WORD    frequency
 04h    WORD    volume
 06h    WORD    duration in 1/72.8 seconds