In the spring of 2011 , JYJ launched their first Worldwide Tour as a group with concerts held in Thailand , Taiwan , China , Canada , and the United States . In addition , JYJ held two rounds of a special charity concert in Tokyo to benefit those affected by the Tōhoku earthquake . They also held two special concert performances in South Korea
Tōhoku earthquake
2011 Tōhoku earthquake and tsunami
JYJ