fixed: Ultrastarsongfile

identifiers.txt

+TITLE
+ARTIST
+MP3
+BPM
+GAP
+COVER
+BACKGROUND
+VIDEO
+VIDEOGAP
+GENRE
+EDITION
+CREATOR
+LANGUAGE
+YEAR
+START
+END
+RESOLUTION
+NOTESGAP
+RELATIVE
+ENCODING
+PREVIEWSTART
+MEDLEYSTARTBEAT
+MEDLEYENDBEAT
+CALCMEDLEY
+DUETSINGERP1
+DUETSINGERP2
+P1
+P2