Band CNBLUE has ranked number 1 for 6 weeks in a row on the Taiwan charts, showing their immense popularity.

Recently, CNBLUE released their mini album, Re:Blue, and their title song, "I'm Sorry." It was officially released last month on February 20 and has continued to stay at number 1 on various K-Pop related charts.

Taiwan's biggest online music site, KKBOX, their song, "I'm Sorry" ranked number 1 for 6 weeks in a row, showing their long-run fame.

Also, they have ranked number 1 on the U.S. Billboard World Albums chart, Japan Tower Records site, Philippine MYX chart and more showing their amazing worldwide popularity.

They will also be starting their 2013 world tour, 'BLUE MOON' starting next month and spread their music and popularity even more.

On the other hand, they will begin their world tour on April 6 in Taiwan at the Taipei Arena and is expected to meet with 11,000 fans. The tickets for this concert has already sold out.

This world tour has been confirmed to visit Taiwan, Thailand, Hong Kong, Singapore and other countries. They will also hold a concert in Korea as well in May. They will even be visiting Australia and the Philippines as well.

Dates for the U.S. and South America will be revealed soon as well.

Their agency stated that this did not happen overnight, but took a long time for them to finally hold a world tour.

CNBLUE debuted in 2009 in Japan first and gained much attention. In 2010, they finally debuted in Korea and gradually became one of the top bands of K-pop.

Last year, they also held a concert in Seoul as well as a huge arena tour in Japan that visited 6 cities for a total of 9 concerts. They also had a concert in L.A. as well showing their global popularity and fame.