How to enter lyric line durations

Line duration: length of your lyric slide duration (measured in seconds)

Go to Command Bar > Lyrics
If your project is empty, copy and paste in raw lyric lines, choose "Save"
You can enter durations manually for each line or use the "Sync Lines" feature to auto generate durations by synchronizing lines with audio

All lines without a specified duration will be be tagged with a default duration of five seconds.