Complex sentence: On June 20,2012, Wynter premiered a new song, "Stimela", the first promotional single from her collection of "Human Condition" extended plays, which she decided to self-release to avoid label control.
Split into simpler sentences: On June 20,2012, Wynter premiered a new song, "Stimela". It is the first promotional single released from her collection of "Human Condition" extended plays, which she decided to self-release to avoid label control.