wonder

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He said: "My advice to him now would be, get it out of the way, get it over with and it will be a seven-day wonder.
But my feeling is that if you don't react, it'll be a seven-day wonder and they'll all move on to talking about someone else.
Top of the Pops in its earliest days was a good forum for talent but it is no wonder it was ditched by the Beeb when some of the performers that appeared in its latter stages will not be around in one to two years time because they are seven-day wonders and only get by lip-synching.