- Add tutorial https://github.com/craffel/pretty-midi/commit/7d7ea0a6b3325dd8654428e7948a907f5a0eba7d
- Add support for sustain pedal in piano roll https://github.com/craffel/pretty-midi/commit/e3ab5f9f6b1cda4717fa6d24d3243460024bc949
- `get_duration` and `duration` property for `Note` objects https://github.com/craffel/pretty-midi/commit/9851c0ce8f456ffef640f898334885631635ff02
- Fix `get_beats` for compound meters https://github.com/craffel/pretty-midi/commit/369ce9831c05acf6373b18a845e7397e95c8b3bb
- Enforce strictly increasing times in `adjust_times` https://github.com/craffel/pretty-midi/commit/bd97acd5d0373a8b120d0e0ae666145645171561
- Update `librosa` calls in example https://github.com/craffel/pretty-midi/commit/6e767d3ba5a026dbd2f053e18d6f44d6c3e4053c
- Bugfixes, docfixes, and Python3 compatibility https://github.com/craffel/pretty-midi/commit/3a9153f1dc7b999abcca16a290b8013d505cba33 https://github.com/craffel/pretty-midi/commit/4fa04b0b177f5491a48afa3751b30d2a26814c0e https://github.com/craffel/pretty-midi/commit/2008db66dcbfc0ca9baab4e72773a1ce4698b91e https://github.com/craffel/pretty-midi/commit/d13d78bd815fcdbb40b662e959028522d66c39d4 https://github.com/craffel/pretty-midi/commit/48fae35d3f3b4fc282c00cca79d7cb688e580f2b https://github.com/craffel/pretty-midi/commit/78e33ab1c24e1156529320ea127dd51d57f7ab99 https://github.com/craffel/pretty-midi/commit/82083e0628d0557594576decb99300e1c81f728d