public WeeklyAlbumChart(WeeklyChartTimeSpan span) : base(span) { }
internal WeeklyArtistChartItem(Artist artist, int rank, int playcount, WeeklyChartTimeSpan span) : base(rank, playcount, span) { Artist = artist; }
public WeeklyTrackChart(WeeklyChartTimeSpan span) : base(span) { }
internal WeeklyChartItem(int rank, int playcount, WeeklyChartTimeSpan span) { Rank = rank; Playcount = playcount; Span = span; }
internal WeeklyAlbumChartItem(Album album, int rank, int playcount, WeeklyChartTimeSpan span) : base(rank, playcount, span) { Album = album; }
public WeeklyArtistChart(WeeklyChartTimeSpan span) : base(span) { }
internal WeeklyTrackChartItem(Track track, int rank, int playcount, WeeklyChartTimeSpan span) : base(rank, playcount, span) { Track = track; }