Excellent, just wrote a reply without being logged in. It asked to log in which I did and what I wrote was lost. Trying again but a much shorter version.
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Edit should not lock the program to that mode. Should be able to operate in live mode even if I edit a song.
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Edit button in preview should give quick access to editing text without opening up the whole edit view. Just correct the text in preview.
Open up the editor should give access to edit everything without having to press "Edit" or "Edit All" and mandatory items like author should not be "hidden" under another tab. They should be easily accessible in main view.
It should not be necessary to press "add to song" when adding author. I am already editing a known song and it should be sufficient to press "Save".