"BLACKSWAN is one of K-Pop's most long-awaited girl group debuts. Under DR Music, this group's alluring focal point is the multicultural members from Senegal and Brazil ... BLACKSWAN's debut is a slightly controversial one, as DR Music has chosen to have the group re-release former Rania songs as an end to Rania's era. Thus, BLACKSWAN's first debut album is titled "Goodbye Rania"".