Justin Timberlake, along with Mavis Staples, Ben Harper and others, performed at the White House last night for an evening celebrating Memphis soul music. The event is the 10th installment in the In Performance at the White House series and is scheduled for broadcast April 16 on PBS stations. Beginning in February 2009, the series has celebrated the music of Stevie Wonder, Paul McCartney, Burt Bacharach, Hal David and many more.