更改專案速度，音軌位置改變
- Select all audio tracks
- Functions > Lock SMPTE Position
- Change project tempo
- Functions > Unlock SMPTE Position
參考來源：
常常說要關閉應用程式
An Audio Unit plug-in reported a problem which might cause the system to become unstable. Please quit and restart Logic Pro.
- 從 Finder 找到 Logic Pro X，按 Get Info
- Check the box “Open using Rosetta”
參考來源：
- https://www.reddit.com/r/Logic_Studio/comments/uwmnjm/an_audio_unit_plugin_reported_a_problem_which/
參考影片：
- https://www.youtube.com/watch?v=kki8unCNU-E (Step Sequencer)
- https://www.youtube.com/watch?v=JBQX5H7rIZg (Change Grid Division)
- https://www.youtube.com/watch?v=IzK5Dc56Olg (Export one track to one MIDI file)