I wanna also know the list of entire tags that can be retrieved throught this method.
In the official documentation the example reports only this tags
[copyright] => Dirty Mac
[originalArtist] => Dirty Mac
[composer] => Marcus Götze
[artist] => Dirty Mac
[title] => Little Big Man
[album] => Demo-Tape
[track] => 5/12
[genre] => (17)Rock
[year] => 2001
In my case i've to retrieve the tag named "subtitle". Can i retrieve it?
