 "39" went on to sell about 301,000 copies in its first week.In the same month, the duo was once again recognized by the "Guinness World Records" for their feat of achieving the most number of consecutive number-one singles by extending their own record to twenty-five number one singles since debut.On July 22, 2007, the duo held their 10th anniversary concert at Tokyo Dome, which drew a crowd of about 67,000 fans, making it the biggest concert ever held at the Dome.