private IEnumerable <string> RemoveDuplicateNames(IEnumerable <string> names)
        {
            var comparer      = new AccentAndCaseInsensitiveComparer();
            var lastNames     = names.Select(x => x.GetLastName()).Distinct(comparer);
            var namesToRemove = new List <string>();

            foreach (var ln in lastNames)
            {
                var commonLastNames = names.Where(x => x.EndsWithIgnoreAccentsAndCase(ln));
                if (commonLastNames.Count() > 1)
                {
                    var longestLength = commonLastNames.Max(x => x.Length);
                    namesToRemove.AddRange(commonLastNames.Where(x => x.Length < longestLength));
                }
            }
            namesToRemove.AddRange(names.Where(x => ComposerName.EndsWithIgnoreAccentsAndCase(x)));
            return(names.Except(namesToRemove));//.ToList();
        }
        private string BuildPerformerCSV()
        {
            var comparer = new AccentAndCaseInsensitiveComparer();

            try
            {
                var names = new List <string>();
                names.AddRange(otherPerformers);
                //names.AddRange(orchestras);
                //names.AddRange(conductors);
                return(string.Join(", ", names));
            }
            catch (Exception)
            {
                Debugger.Break();
                throw;
            }
        }