Add even moar instructions to README

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Starbeamrainbowlabs 2019-02-22 01:05:13 +00:00
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@ -27,6 +27,13 @@ convert score.png -rotate 90 score.pdf
pdfposter -s1 -m 20x28.7cm score.pdf print.pdf
```
....if that cuts things off at the edges, try doing it like this:
```bash
convert score.svg score.pdf
pdfposter -s1 score.pdf print.pdf
```
## Useful Links
- [ffmpeg - showspectrumpic manual](https://ffmpeg.org/ffmpeg-filters.html#showspectrumpic)
- [Frequency to Musical Note Converter](https://newt.phys.unsw.edu.au/music/note/)