a1 TWENTY FIVE in Singapore 2023 will take place on 7 October 2023 at The Theatre at Mediacorp. Featuring one of the most popular boy bands in the early 2000s, fans can expect the British-Norwegian group to perform top-charting hits such as 'Everytime', 'Like A Rose', 'Same Old Brand New Year', 'Take On Me' and more at this one-night only concert in Singapore.