fix #14840 : change note value in tremolo between 2 notes
fix #8899 : Delete tremolo notes results in bad rest
fix possible access to deleted object in tremolo between 2 notes
Small optimization (staffIdx * VOICES -> track)
Import lyrics from MIDI track
Remove slashes from lyrics in kar files
Import title and composer from karaoke lyrics
fix #22588: Changes to Follow Score
Merge pull request #464 from trig-ger/midi_lyrics

Lyrics import
Merge pull request #463 from AntonioBL/tremolo_note_value

Tremolo between 2 notes bug fixes