Fall Out Boy performing free show before Game 4 of Stanley Cup in DC

Fall Out Boy will perform a free concert before the Washington Capitals play the Vegas Golden Knights in Game 4 of the Stanley Cup Final in the District on Monday.

The multiplatinum-selling rock band will play on the steps of the Smithsonian's National Portrait Gallery on G Street at 6 p.m., the NHL announced Friday.

NHL officials said the concert would take place "rain or shine" and that no tickets were required to attend.

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Fall Out Boy's album MANIA debuted at No. 1 on the Billboard 200 chart and claimed the No. 1 spot on iTunes in more than 30 countries this January.

The band is known for such hits as "Sugar We're Goin' Down," "My Songs Know What You Did In The Dark (Light Em Up)," "Centuries," "Dance, Dance" and "Alone Together."

Officials announced Shaggy and Sting would perform a free concert Saturday evening before Game 3.