```
$ mididump /dev/umidi0.0
Note on channel=1, note=48 (C3, 130.81Hz), velocity=87
Note off channel=1, note=48 (C3, 130.81Hz), velocity=127
Note on channel=1, note=50 (D3, 146.83Hz), velocity=72
Note off channel=1, note=50 (D3, 146.83Hz), velocity=127
Note on channel=1, note=65 (F4, 349.23Hz), velocity=95
Note off channel=1, note=65 (F4, 349.23Hz), velocity=127
Note on channel=1, note=67 (G4, 392.00Hz), velocity=29
Note off channel=1, note=67 (G4, 392.00Hz), velocity=127
Note on channel=1, note=69 (A4, 440.00Hz), velocity=46
Note off channel=1, note=69 (A4, 440.00Hz), velocity=127
Control/Mode change channel=1, control=64 (Damper Pedal (Sustain)), value=127 (on)
Control/Mode change channel=1, control=64 (Damper Pedal (Sustain)), value=0 (off)
^C
```