The choir, which is seeking to raise awareness about loved one swho have disappeared, were praised by the panel for their performance of own song I Miss You.
“That’s an extraordinary song,” said head judge Simon Cowell, before adding: “You’ve turned something dreadful into something quite extraordinary.”
Fellow judge Alesha Dixon told them: “I don’t even know how you managed to get through it.”
Although the choir were praised by the panel, they missed out on the coveted Golden Buzzer which would have put them through the semi-final round of the ITV talent competition.
Instead, it was teen singing sensation Sarah Ikumu who impressed the judges and managed to win over Simon, 57, after he pressed his Golden Buzzer for her thanks to a barnstorming rendition of And I’m Telling You.
She was praised by many, who lauded the decision to put her through the to live semi-finals of Britain’s Got Talent.
However, many people took to social media to protest the decision that he choir had not got one too.
One person angrily posted: “I really wanted the missing people’s choir to get a golden buzzer. #BritainsGotTalent.”
While a second person tweeted: “Being at the palladium when the missing people choir played was emotional but we all demanded the golden buzzer for them #BritainsGotTalent [sic].”
“Omg this Missing Persons Choir is the most emotional thing I’ve ever watched, really should have got the golden buzzer #BritainsGotTalent [sic],” a third added.
The Missing People Choir was made up of people, who had lost their own loved ones but continued to hold out hope that one day they would come home, as well as charity workers.
One singer revealed that she had not seen her son since 1988 as another member’s son Charlie went missing while backpacking at just 21-years-old.
The group’s spokesperson revealed they all just hoped someone would come forward with information following their appearance on the programme, which is viewed by over 10 million people.
Britain’s Got Talent continues on ITV next Saturday at 8pm.