title: Lessons learned (disambiguation)
text: # Lessons learned (disambiguation)
  
  Lessons learned are experiences distilled from a project that should be actively taken into account in future projects.
  
  Lessons learned may also refer to:
  
  ## Music
  
  * Lessons Learned (album), an album by Tracy Lawrence
  
  ### Songs
  
  * "Lessons Learned", by Tracy Lawrence from that album
  * "Lessons Learned", from Grand (Matt & Kim album)
  * "Lessons Learned", by Carrie Underwood:
     * On her album Some Hearts
     * On Kristin Chenoweth album Some Lessons Learned
  
  ## Project management
  
  * Military practice:
     * The "military lessons of the American Civil War" in Memoirs of General William T. Sherman By Himself (1875)
     * U.S. Army Center for Army Lessons Learned (since 1985)
     * NATO Joint Analysis and Lessons Learned Centre (since 2002)
  * Lessons Learned or lessons learned, postmortem documentation
  