toGabcString method
Implementation
String toGabcString() {
final buf = StringBuffer();
buf.write(lyrics.map((l) => l.toGabcString()).join('|'));
buf.write(translationText.map((t) => t.toGabcString()).join(('')));
buf.write(alText.map((al) => al.toGabcString()).join(''));
return buf.toString();
}