public override void Down()
{
DropForeignKey("dbo.Tracks", "AlbumId", "dbo.Albums");
DropForeignKey("dbo.Albums", "ArtistId", "dbo.Artists");
DropIndex("dbo.Tracks", new[] { "AlbumId" });
DropIndex("dbo.Albums", new[] { "ArtistId" });
DropTable("dbo.Users");
DropTable("dbo.Tracks");
DropTable("dbo.Artists");
DropTable("dbo.Albums");
}