Big Bang is expected to return with a physical single featuring around two to three new songs as part of its 20th-anniversary comeback in August, industry sources said Wednesday. While the group has already hinted at new music and a world tour this year, sources told The Korea Herald that a single release currently appears more likely than a full-length album. "Big Bang will likely release new songs in a single format with around three tracks," one source said on condition of anonymity. The sour