Taken directly from the official website. Additional information there.
http://inaugural.senate.gov/media/releases/release-12172008-inauguralwebsite.cfm
you can also watch it live online at: http://inaugural.senate.gov
WASHINGTON, DC - The Joint Congressional Committee on Inaugural Ceremonies, today announced the program for the 56th Presidential Inauguration, which will take place on the West Front of the U.S. Capitol on January 20, 2009.
The program participants were based on requests from the President-elect and the Vice President-elect.
The order of the program will be as follows:
Musical Selections
The United States Marine Band
Musical Selections
The San Francisco Boys Chorus and the San Francisco Girls Chorus
Call to Order and Welcoming Remarks
The Honorable Dianne Feinstein
Invocation
Dr. Rick Warren, Saddleback Church, Lake Forest, CA
Musical Selection
Aretha Franklin
Oath of Office Administered to Vice President-elect Joseph R. Biden, Jr.
By Associate Justice of the Supreme Court
The Honorable John Paul Stevens
Musical Selection, John Williams, composer/arranger
Itzhak Perlman, Violin
Yo-Yo Ma, Cello
Gabriela Montero, Piano
Anthony McGill, Clarinet
Oath of Office Administered to President-elect Barack H. Obama
By the Chief Justice of the United States
The Honorable John G. Roberts, Jr.
Inaugural Address
The President of the United States, The Honorable Barack H. Obama
Poem
Elizabeth Alexander
Benediction
The Reverend Dr. Joseph E. Lowery
The National Anthem
The United States Navy Band "Sea Chanters