Abraham Lincoln Presidential Library and Museum (ALPLM)

The event is Thursday March 13. It's free to attend, but advance registration is required.

A recitation of King's "I Have a Dream" speech will highlight the day,

The fateful 163-year-old document had been in an anonymous private collection until its purchase at auction by Gov. J.B. Pritzker and first lady M.K. Pritzker, who donated it to the Abraham Lincoln Presidential Library and Museum.

Lance Tawzer is the Director of Exhibits and Shows at the Abraham Lincoln Presidential Library and Museum. His love of music led to his start in Material Issue then The Lupins, to museums, and now to Petersburg and the ALPLM where he brought it all together for the highly attended State of Sound exhibit.

Admission will be free Saturday and Monday.

Volunteers contribute an average of 35,000 hours of service each year at the ALPLM,

The name was chosen as it signifies Lincoln's home address in Springfield.

This month marks the 160th anniversary of the speech.

The position was previously held by a state employee who was an Abraham Lincoln expert.