Naomi - // Oh no, definitely not ... many are two-a-penny. //
That addresses a sense of individuality, which is essential for any art for to succeed, but it does not gainsay my point that all singers are unique, because all human beings are unique.
yes, that would be most products of the x-factor genre, where the makers and songwriters are pandering to the tastes of the Saturday night tv audience. it's good that some singers break free of this and branch out into the interesting - and also interesting that many of those that do were not winners.