President Joe Biden sparked concerns Monday night when he appeared to freeze for the better part of a minute before his speech became slurred past the point of comprehension during a lively Juneteenth celebration at the White House.

During the event ahead of the national holiday next week, the Commander-in-Chief seemed to short-circuit as the rest of the crowd, including Vice President Kamala Harris and Second Gentleman Doug Emhoff, grooved along to the lively band.