Westlake Recording Studio has attracted major names from the music industry for decades, including Madonna, Rihanna, Justin Bieber, and Michael Jackson. Witnesses say the attacker was escaping the studio by foot with a lot of stolen cash and jewelry when he fired the shots behind him.
Last year, Usher and Miguel filed for divorce after two years of marriage.
The couple split earlier this year but on Friday in Georgia it was finally rubber stamped.
According to court records Usher, 40, used the same attorney he hired for his previous custody fight with ex-wife Tameka Foster.
"We remain deeply connected, loving friends who will continue supporting each other through the next phases of our lives".