Stevie Wonder performs free pop-up concerts

Stevie Wonder performs during an exclusive press conference and performance on the Armory Mall on August 17, 2015 in Washington, DC. The performance was to announce the Fall 2015 leg of his "Songs In The Key Of Life Performance" tour.

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Stevie Wonder is performing free pop-up concerts in Washington, Philadelphia and New York.

The D.C. Office of Motion Picture and Television Development says Wonder performed a few songs at the D.C. Armory Mall on Monday. The first 1,000 people got doughnuts.

The concert is part of a news conference promoting Wonder's "Songs in the Key of Life Performance" tour. Wonder and his 22-piece band will perform at the Verizon Center on Oct. 3.

Live Nation Vice President of Booking Ted Mankin tells WTOP-FM that Wonder will perform in Philadelphia and New York, too.