Complex sentence: Ironically, the single marks 20 years since the release of Wham! 's first single, "Wham Rap! (Enjoy What You Do)", another politically-charged song written by Michael.
Split into simpler sentences: Ironically, the single marks 20 years since the release of Wham! 's first single, "Wham! Rap (Enjoy What You Do)", another politically-charged song written by Michael.