private void AddElements(Song2014 rs2014Song, Song rs1Song)
{
// these elements have direct mapping
rs1Song.Phrases = rs2014Song.Phrases;
rs1Song.LinkedDiffs = rs2014Song.LinkedDiffs;
rs1Song.PhraseProperties = rs2014Song.PhraseProperties;
rs1Song.FretHandMuteTemplates = rs2014Song.FretHandMuteTemplates;
rs1Song.Ebeats = rs2014Song.Ebeats;
rs1Song.Sections = rs2014Song.Sections;
rs1Song.Events = rs2014Song.Events;
}