Band of Voices have become the new second favourites to win Britain's Got Talent 2013.
The five-piece band wowed both the judges and bookies on Saturday night and the act are now given a 4/1 chance of performing in front of Her Majesty later on this year.
However its Hungarian shadow dancers Attraction who remain steady at the top of the market at 2/1.
Singers look set to dominate the semi-finals next week, with Aliki Chrysochou is currently chalked up at 14/1 to win, with Alice Fredenham, Welsh duo Richard and Adam, Irish performer Jordan O'Keefe and group the Luminites all tipped to do well.
Jessica Bridge of Ladbrokes said: "Finally we have an act that look like a serious contender to Attraction.
"Band of Voices are already being heavily backed and it might not be too long before they become the favourites to win."
Also being backed by punters are singers Alex Keirl and Rosie O'Sullivan, while teenage comic Jack Carroll is a 16/1 bet and impressionist Philip Green is at 20/1 to win the series.
This year's top act will win a £250,000 cash prize as well as the usual spot at the Royal Variety Show.
The Britain's Got Talent 2013 auditions conclude next Sunday night on ITV.
Browse our picture recap of this weekend's show below...