Complex sentence: On April 11,2011, Lamar announced the title of his next full-length project to be "Section.80", and the following day the first single "HiiiPoWeR" was released, the concept of which was to further explain the HiiiPoWeR movement.
Split into simpler sentences: On April 11,2011, Lamar announced the title of his next full-length project to be "Section.80", and revealed he would release its lead single the following day. As promised, on April 12,2011, Lamar released "HiiiPoWeR", the album's first single, the concept of which was to further explain the HiiiPoWeR movement.