Convention officials have yet to say if he will be rescheduled.
J.B. Pritzker (D-IL) also appeared in advance of his speaking slot this evening.
It was unclear if Common and LaBelle will perform tonight or later in the week.
Patti LaBelle at the Democratic National Convention on Tuesday.Photo by Chip Somodevilla/Getty Images
They were not included in the official schedule convention officials sent out in the afternoon.
