Wang Yunjie

You can import the midi file into a scorewriter like MuseScore. Then read the score or even playback to confirm that Pat's part, which is named "Cavaquinho, Guitar", is the...

[Try setting qmin to 1 and see if it helps.](https://stackoverflow.com/questions/10225403/how-can-i-extract-a-good-quality-jpeg-image-from-an-h264-video-file-with-ffmpeg) [Otherwise, use lossless format.](https://superuser.com/questions/1032503/ffmpeg-extract-lossless-image-from-video)