What is the fine-grained topic of the following text: Chicago rapper Lucki Eck$ turned 19 years old, and to celebrate he decided to share with the world his latest mixtape X. He’s already dropped approximately half of the songs as loose tracks dating back to December, but always nice to have loose cuts wrapped up in a convenient bundle. Only return the topic.
Release of rapper Lucki Eck$'s mixtape X on his 19th birthday.