A library for reading and writing iTunes style MPEG-4 audio metadata.
```rust fn main() { let mut tag = mp4ameta::Tag::readfrompath("music.m4a").unwrap();
println!("{}", tag.artist().unwrap());
tag.set_artist("artist");
tag.write_to_path("music.m4a").unwrap();
} ```
cargo test -- --test-threads=1