File format to store short (bagpipe) pieces into markdown files for convenience
---
title = "Scotland the Brave"
music_type = "March"
time_signature = "4/4"
composer = "Trad."
arranger = ""
instrument = "bagpipe"
source = "SC v2"
---
```tex
\partial 8 e8
\grg a4 \taor a8.[ b16] \dblc c8[ \gre a8] \dblc c8[ e8]
\bar "|."
## Usage
```rust
use lilydown::{parse, extract};