When Diplo returned to Philly for a gig in early January 2012, he took the stage at Union Transfer a new, bi-level venue with a state-of-the-art sound system and standing-room-only capacity for 1, 200.

BBC: Philadelphia��s musical roots

They are securing the National Mall, for more -- standing room only -- viewing of the ceremony, and they are policing the parade route, where onlookers will gather to watch floats, bands, and the president travel the approximately two-mile route up Pennsylvania Avenue.

CNN: Inauguration brings different kind of gridlock to D.C.

Around 250 guests -- including Senator Patrick Leahy, President Jahjaga of Kosovo, Prime Minister Simpson-Miller of Jamaica, President Ellen Johnson Sirleaf of Liberia, academic leaders, CEOs of major companies, and representatives from civil society organizations -- attended the standing-room only event.

WHITEHOUSE: Launching the Equal Futures Partnership to Expand Women��s Political and Economic Participation | The White House