4D 54 68 64         MThd
00 00 00 06         len:    6
00 01               Type:   1
00 02               tracks: 2
3C 00               tempo:  15360



4D 54 72 6B         MTrk
00 00 00 16         len: 22

00                  time
    FF 58 04        Time Signature
    04 02 18 08     4/4 24 8
    
00                  time
    FF 51 03        TEMPO:
    07 A1 20        500.000 mySec

82 F7 80 00         time  ## oh bugger, it's buggy.
    FF 2F 00        End Of Track
    


4D 54 72 6B         MTrk
00 00 00 2C         len: 44

00                  time
    FF 03           Sequence/Track Name
    07              len: 7
    53 79 6E 74
    68 20 31        'Synth 1'

00                  time
    FF 04           Instrument
    07              len: 7
    53 79 6E 74
    68 20 31        'Synth 1'

00                  time
    FF 21 01        Midi port
    04              Port #5

00                  time
    90 24 7F        Note ON
    83 E0 00        Note OFF
    
00                  time
    80 24 00        Note OFF

00 82 F3 A0        

00
    FF 2F 00        End Of Track