Noah referred to the Academy Awards altercation between Smith and Chris Rock in his opening monologue.

Questlove also made a note of it before presenting Song of the Year.

“Don’t even think of it as an award show.

Chris Rock; Will Smith

Will Smith slapping Chris Rock at the Oscars was referenced multiple times at this year’s Grammys, which took place one week later.Al Seib /A.M.P.A.S. via Getty Images; ANGELA WEISS/AFP via Getty Images

This is a concert where we’re giving out awards.

Another reference came in the pre-show ceremony.

LeVar Burton introduced nominated comedian Nate Bargatze by saying, “The next presenter is a comedian.

I need to caution everybody: remain in your seats and keep your hands to yourselves.”

“I betrayed the trust of the Academy.

I deprived other nominees and winners of their opportunity to celebrate and be celebrated for their extraordinary work.