A$AP Mob kicked off the week, last week, with the announcement of the second annual YAMS Day concert – in honor of their late Mob brother. As the week came to a close, the group hit the stage at The Late Show With Stephen Colbert! Performing, “Crazy Brazy,” they transformed the stage into a psych ward and, well.. went crazy! A$AP Rocky pulled up in a wheel chair, as Ferg was surrounded by nurses as he sat restrained in a straight jacket. Check out the recap video below in case you missed it. Read entire story.