Nas and his father, famed jazz musician, Olu Dara surprise a jazz class at Morehouse College when they stop by for a spontaneous musical collaboration - watch and listen to the musical recipe that is concocted.

• Watch Nas & Olu Dara Stand In

Past Stand In Features Read about past Stand Ins by selecting an artist name from the drop-down.

Select An Artist -------- Marian Wright Edelman Dr. Muhammad Yunus President Ellen Johnson-Sirleaf Don Cheadle Annie Lennox President Paul Kagame Sam Brownback Malcolm Gladwell & Kenna Mike Judge Jhumpa Lahiri Larry David George Clinton Natalie Portman Madonna Cameron Diaz Bill Gates Melissa Etheridge Shimon Peres John McCain Sting Ashley Judd Elie Wiesel Kareem Abdul-Jabbar Tom Wolfe Russell Simmons Nas & Olu Dara nas_oludara == nas_oludara, so currentIndex is:25 Marilyn Manson Snoop Dogg Jesse Jackson Frank McCourt