Usher honored Stevie Wonder at the 2015 Grammy Awards with a performance of Wonder's "If It's Magic."
The 36-year-old took the stage to belt out his rendition, and was eventually joined by the Wonder on the harmonica:
Wonder is being celebrated with a star-studded televised special, "Stevie Wonder: Songs In The Key Of Life," on Tuesday, which will air on CBS on Feb. 16.
Usher was up for four Grammy awards this year: Best R&B Song and Best R&B Performance for his song, "Good Kisser," and Best R&B Song and Best R&B Performance for "New Flame," his collaboration with Rick Ross and Chris Brown.
Usher has won eight Grammy awards in previous years.