SEOUL, September 29 (AJP) -K-pop girl group NMIXX will release its sixth EP "Strange Muse" before wrapping up its first world tour with three encore shows planned in Incheon, JYP Entertainment said Tuesday. Upcoming album will be led by the title track "Birthday Wish," marking the group's first release since "Heavy Serenade" in May. It will also include "Kerosene" and "RudE TaLK," along with three unit tracks.