The Big Four is a Hong Kong male vocal group formed in 2009 by Dicky Cheung,
Andy Hui, William So, and Edmond Leung. Their debut single, "The Big Four", was
a major success, topping numerous local charts. In 2010, they followed up with
the hit song "Unable to Love (《愛莫能助》)", which enjoyed widespread radio play.
That same year, they launched their first major live event, The Big Four World
Tour, with five consecutive shows at the Hong Kong Coliseum from March 11 to 15.
Their second concert series, The Big Four World Tour Live in Hong Kong 2013, ran
for six nights from February 9 t...