Kanye West made a surprise appearance at Chance The Rapper‘s event in Chicago last night (September 17th), and he came bearing some pleasant news.

“Me and Chance working on a new album. It’s called ‘Good Ass Job,'” the 41-year-old told the crowd, sending them into an all-out celebration. West followed up with some personal news regarding his new full-time residence. “I moved back to Chicago and I’m never leaving again,” he declared as fans broke out into several “Kanye” chants.

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Later that night, the Chicago-bred rapper nearly broke the internet when he tweeted out a photo of a clear CD case, à la Yeezus, with an iMessage that read, “YANDHI 9 29 18.” That day may be the release date of the joint album.

Good Ass Job was originally supposed to be the name of Yeezy’s fourth album prior to the death of his mother in 2007, which prompted him to craft 808s & Heartbreak.

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