CNBLUE released "Radio" on September 8, as a digital download in precedence of their third Japanese studio album Wave. Released on September 17, Wave debuted at number three on the weekly Oricon Albums Chart. By the end of its chart run, Wave sold 42,080 copies in the country. The band then embarked on the CNBLUE 2014 Arena Tour: Wave from October to November in Aichi, Tokyo, Osaka, Miyagi, and Fukuoka.
