U.S. Billboard Rates B1A4's 'Solo Day' To Be 'This Year's Most Delightful K ...

KpopStarzU.S. Billboard Rates B1A4's 'Solo Day' To Be 'This Year's Most Delightful K ...KpopStarz"B1A4's latest has a carefree-pop sound to make it a spot-on summer single a la Girl's Day's 'Darling.' The quintet's spring 2013 release 'What's Happening' riffed on One Direction's shout-along pop style and 'Solo Day' is another feel-good track one ...