Check out some of these resources:

Biographies of the Harlem Renaissance, very thorough list. You may want to start here!

NAACP Timeline, an interactive timeline allowing users to search by time, impact of events and milestones.  Ask for headphones.

Drop Me off in Harlem from ARTSEDGE (The Kennedy Center, ARTSEDGE, & Marco Polo).

I Hear America Singing from WGBY, profiles of artists/movements & ideas.

Harlem Renaissance has audio and video clips and an image gallery.

Web Guide/ Harlem Renaissance from the Library of Congress has sheet music, plays, photos, and a lot more!