---- FILE START ----
  ---- FILE HEADER ----
    format:        1
    tracks:        1
    time division: 24
  ---- TRACK 1 (56 bytes) ----
    delta: 0
    System Exclusive: manufacturer dependent
    delta: 0
    Set Tempo: 457 BPM
    delta: 0
    Track Name: midifile track
    delta: 0
    Controller (channel 0): Mode Message #5 value [0]
    delta: 0
    Controller (channel 0): Mode Message #7 value [0]
    delta: 0
    Program Change (channel 0): Concert Grand
    delta: 1
    Note On (channel 0): C4 with velocity 96
    delta: 520
    Note Off (channel 0): C4 with velocity 64
    delta: 0
    End of Track: